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Database: 189760 (18 Oct 2025)
QB 1504-1992 English PDF
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QB 1504-1992
: Laboratory Glassware - Interchangeable Conical Ground Joint
Status: Obsolete
Standard ID
Contents [version]
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Standard Title (Description)
Status
PDF
QB 1504-1992
English
279
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Laboratory Glassware - Interchangeable Conical Ground Joint
Obsolete
QB 1504-1992
PDF similar to QB 1504-1992
Standard similar to QB 1504-1992
GB/T 10589
GB/T 11158
GB/T 13979
Basic data
Standard ID
QB 1504-1992 (QB1504-1992)
Description (Translated English)
Laboratory Glassware - Interchangeable Conical Ground Joint
Sector / Industry
Light Industry Standard
Classification of Chinese Standard
N60
Word Count Estimation
7,741
Date of Issue
6/8/1992
Date of Implementation
2/1/1993
Older Standard (superseded by this standard)
QB 764-1980
Adopted Standard
ISO 383-1976, IDT
Regulation (derived from)
National Standard approved and issued Notice 2007 No. 13 (Overall No. 113); Industry-Science (2010) No. 77