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Position: Chinese Standard in English/JY 138-1982
JY 138-1982   Concave-convex Mirror (English Version)
Standard No.: JY 138-1982 Status:valid remind me the status change
Language:English File Format:PDF
Word Count: Price(USD): remind me the price change
Implemented on:1994-6-1 Delivery:
Standard No.: JY 138-1982
English Name: Concave-convex Mirror
Chinese Name: 凹凸面镜
Chinese Classification: Y54    Office supplies and office implements
Professional Classification: JY    Professional Standard - Education
Implemented on: 1994-6-1
Status: valid
Language: English
File Format: PDF
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