JY 0347-1996
General specification for teaching optical instruments (English Version)
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JY 0347-1996
Standard No.
JY 0347-1996
Language
Chinese,
Available in English version
Release Date
1996
Published By
Professional Standard - Education
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JY 0347-1996
JY 0347-1996 history
1996
JY 0347-1996
General specification for teaching optical instruments
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