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Position: Chinese Standard in English/JY 221-1987
JY 221-1987   Newtonrings (English Version)
Standard No.: JY 221-1987 Status:superseded
Language:English File Format:PDF
Word Count: Price(USD): remind me the price change
Implemented on:2002-5-1 Delivery:
Standard No.: JY 221-1987
English Name: Newtonrings
Chinese Name: 离心机械模型
Chinese Classification: Y54    Office supplies and office implements
Professional Classification: JY    Professional Standard - Education
Implemented on: 2002-5-1
Status: superseded
Superseded by:JY/T 0221-2019
Superseded on:2019-9-1
Language: English
File Format: PDF
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