China Electrical relays—Pa
GB Standards Search Result
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1. Ready translated GB standards  and Chinese version GB Standards, you can purchase directly in the web page; After receive your payment, we will send the GB Standards PDF file to your Email within
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2. Other English version GB Standards are not ready translated, only after
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GB/T 14598.23-2017
Electrical relays—Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment—Section 3: Seismic tests
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