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Chinese National Standard Category: Papermaking in general

English Title: Pulps--Laboratory beating--Valley beater method
Chinese Title: 实验室打浆 瓦利(Valley)打浆机法
Standard No.: GB 7980-1987
Category No.: Y30
Issued by:
Issued on:
Implemented on: 1989-9-1
Status: superseded
Superseded by:QB/T 3702-1999 Pulps--Laboratory beating--Valley beater method
Superseded on:1999-4-21
Abolished on:
Superseding:
Word Count:2500 words
Similar Standards: GB 2679.3-1981   GB 2679.5-1981   GB/T 7975-1987   GB/T 7974-1987   GB 8941.3-1988   GB/T 7978-1987   GB/T 1545.1-2003   GB 8941.2-1988   GB 5403-1985   GB/T 22904-2023   GB/T 43011-2023   GB/T 2678.6-2023   GB/T 462-2023   GB/T 26203-2023   GB/T 43012-2023   GB/T 42946-2023   GB/T 42944-2023   GB/T 42945-2023   GB/T 42702-2023   GB/T 24455-2022  
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