QB 1542-1992
Clock lead brass rod and wire (English Version)
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QB 1542-1992
Standard No.
QB 1542-1992
Language
Chinese,
Available in English version
Release Date
1992
Published By
轻工业部
Latest
QB 1542-1992
QB 1542-1992 history
1992
QB 1542-1992
Clock lead brass rod and wire
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