WJ 1686-1986
The basic size of ordinary screw thread with extra fine teeth for instruments (diameter 4~200mm) (English Version)

Standard No.

WJ 1686-1986

Language

Chinese, Available in English version

Release Date

1986

Published By

Professional Standard - Military and Civilian Products

Latest

WJ 1686-1986

Replace

WJ 594-1978

WJ 1686-1986 history

• 1986 WJ 1686-1986 The basic size of ordinary screw thread with extra fine teeth for instruments (diameter 4~200mm)
• 0000 WJ 594-1978