GB/T 6139-1997

Subland twist drills—Technical specifications

STANDARD published on 28.8.1997

English, Chinese -
electronic design (pdf) (298.80 USD)

The information about the standard:

Designation standards: GB/T 6139-1997
Note: WITHDRAWN
Publication date standards: 28.8.1997
Country: Chinese technical standard
Category: Technical standards GB