Document Type and Number:
Japanese Patent JPS51123471
Kind Code:
U
Application Number:
JP4459575U
Publication Date:
October 06, 1976
Filing Date:
April 01, 1975
Export Citation:
International Classes:
B21B39/16; B21B39/00; F16B2/20; F16B2/24; F16B7/04; F16B7/22; (IPC1-7): F16B2/20; B21B39/00
Domestic Patent References:
| JPS3723630Y1 |