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GB/T 4189-1984   Doped tungsten bars (English Version)
Standard No.: GB/T 4189-1984 Status:superseded remind me the status change
Language:English File Format:PDF
Word Count: 2000 words Price(USD):60.0 remind me the price change
Implemented on:1984-1-1 Delivery: via email in 1~3 business day
Standard No.: GB/T 4189-1984
English Name: Doped tungsten bars
Chinese Name: 掺杂钨条
Chinese Classification: H63    Rare refractory metals and their compounds
Professional Classification: GB    National Standard
Issued by: MIIT
Issued on: 1984-3-9
Implemented on: 1984-1-1
Status: superseded
Superseded by:GB/T 4187-2017 Tungsten bars and rods
Superseded on:2018-2-1
Abolished on:2018-02-01
Language: English
File Format: PDF
Word Count: 2000 words
Price(USD): 60.0
Delivery: via email in 1~3 business day
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