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GB/T 13823.6-1992 Methods for the calibration of vibration and shock pick-ups--Testing of base strain sensitivity - 英文版 |
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GB/T 13823.5-1992 Methods for the calibration of vibration and shock pick-ups--Testing of mounting torque sensitivity - 英文版 |
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GB/T 13823.4-1992 Methods for the calibration of vibration and shock pick-ups--Testing of magnetic field sensitivity - 英文版 |
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GB/T 2972-1991 Zinc-coated steel wire--Test method for uniformity of zinc coating on wire by the copper sulphate dip - 英文版 |
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GB/T 12442-1990 Test method for the hydroxyl groups contentof silica glass - 英文版 |
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GB/T 11320-1989 Test methods for the properties of piezoelectric ceramics--Material with the low mechanical quality factor - 英文版 |
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GB/T 11311-1989 Test methods for the properties of piezoelectric ceramics--Test for Poisson’s ratio σE - 英文版 |
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GB/T 11310-1989 Test methods for the properties of piezoelectric ceramics--Test methods for temperature characteristics of relative free dielectric constants - 英文版 |
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GB/T 11309-1989 Test methods for the properties of piezoelectric ceramics--Quasi-static testfor piezoelectric strain content d33 - 英文版 |
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GB/T 11297.11-1989 Test method for the dielectric constant of pyroelectric materials - 英文版 |
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GB/T 9933-1988 The test method for evaluating the performance of internal combustion engine oil (Caterpillar 1G2 method) - 英文版 |
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GB/T 9932-1988 The test method for evaluating the performance of internal combustion engine oil (Caterpillar 1H2 method) - 英文版 |
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GB/T 7962.13-1987 Colourless optical glass test methods--Coefficient of thermal conductivity - 英文版 |
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GB/T 7265.2-1987 Test method for the complex permittivity of solid dielectric materials at microwave frequencies--Open cavity method - 英文版 |
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GB/T 5444-1985 The test methods for the technical specifications of subscriber line signalling for automatic telephone switching network - 英文版 |
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GB/T 5443-1985 The test methods for the technical specifications of ringing and tone for automatic telephone switchingnetwork - 英文版 |
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GB/T 5442-1985 The test methods for the technical specifications of inband pulsing single frequency line signalling system for automatic telephone switching network - 英文版 |
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GB/T 4506-1984 Method for the test of sharpness and strengthof needles tips - 英文版 |
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GB/T 3971.3-1983 The test methods for the technical specifications of multi-frequency register signalling for telephone auto-matic switching network - 英文版 |
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GB/T 3399-1982 Test method for thermal conductivity of plastics by means of the guarded hot plate - 英文版 |
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GB/T 1765-1979 Method of producing of paint films for testing heat and humidity resistance，salt-fog resistance and accelerated weathering - 英文版 |
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