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QB/T 1221-1991 English PDF

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QB/T 1221-1991: (Bicycle Inch thread and gauges)
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QB/T 1221-1991English349 Add to Cart 3 days [Need to translate] (Bicycle Inch thread and gauges)   QB/T 1221-1991

PDF similar to QB/T 1221-1991


Standard similar to QB/T 1221-1991

GB/T 3565.1   QB/T 1888   GB/T 3564   QB/T 1717   QB/T 1882   QB/T 1715   

Basic data

Standard ID QB/T 1221-1991 (QB/T1221-1991)
Description (Translated English) (Bicycle Inch thread and gauges)
Sector / Industry Light Industry Standard (Recommended)
Classification of Chinese Standard Y14
Word Count Estimation 10,126
Date of Issue 9/10/1991
Date of Implementation 4/1/1992
Adopted Standard ISO 1502, NEQ; ISO 6698, NEQ
Summary This standard specifies the basic tooth-inch thread bicycle on a variety of finished parts, basic dimensions, tolerances and fundamental deviations, and provides bicycle Inch thread gauge its manufacturing dimensions. This standard applies to inch thread bicycle use. Also applies to the inspection inch thread dimensions and tolerances specified in this standard with the thread gauge.

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