QB 1184-1991
Technical conditions of lifting tooth fork crank of GC15 type free-speed lock sewing machine (English Version)

Standard No.

QB 1184-1991

Language

Chinese, Available in English version

Release Date

1991

Published By

轻工业部

Latest

QB 1184-1991

QB 1184-1991 history

• 1991 QB 1184-1991 Technical conditions of lifting tooth fork crank of GC15 type free-speed lock sewing machine