1984 year China issued GB standards list |
GB/T 4236-1984 Steel--Examination by sulphur print (Baumann method)
钢的硫印检验方法 |
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GB/T 4582-1984 Terms and their definition of ferrocement
钢丝网水泥名词术语及其定义 |
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GB/T 4762-1984 Codes for political affiliation
政治面貌代码 |
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