Document Type and Number:
Japanese Patent JPS5512962
Kind Code:
Y2
Application Number:
JP9410575U
Publication Date:
March 24, 1980
Filing Date:
July 05, 1975
Export Citation:
International Classes:
B21B31/10; B21B31/08; B21B35/14; (IPC1-7): B21B31/10; B21B35/14