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STAS 139-79
Designation of screw threads.
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Status :
Valid
Approval date : 1/1/1979
Publish date : 9/1/1979
Number of pages : 2
ICS : 21.040.10 Metric screw threads
Technical Committee : 59 - Screw threads, fasteners and bearings
- Replaces STAS 139-70