GB 5724-1985

KY-250, KY-310 type roller bit drills

STANDARD published on 1.1.1985

English, Chinese -
electronic design (pdf) (238.80 USD)

The information about the standard:

Designation standards: GB 5724-1985
Note: WITHDRAWN
Publication date standards: 1.1.1985
Country: Chinese technical standard
Category: Technical standards GB