HB 780-1973
1-8 grades of precision with sleeve measuring head double-headed smooth plug gauge D>30-80mm (English Version)

Standard No.

HB 780-1973

Language

Chinese, Available in English version

Release Date

1974

Published By

Professional Standard - Aviation

Status

Withdraw

Latest

HB 780-1973

HB 780-1973 history

• 1974 HB 780-1973 1-8 grades of precision with sleeve measuring head double-headed smooth plug gauge D>30-80mm