JJG(电子) 04026-1989
BJ2985 type crystal triode maintenance voltage tester verification regulations (English Version)
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JJG(电子) 04026-1989
Standard No.
JJG(电子) 04026-1989
Language
Chinese,
Available in English version
Release Date
1989
Published By
National Metrological Verification Regulations of the People's Republic of China
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