Document Type and Number:
Japanese Patent JPS5231508
Kind Code:
Y2
Application Number:
JP5524171U
Publication Date:
July 18, 1977
Filing Date:
June 28, 1971
Export Citation:
International Classes:
B26D7/01; B21D43/00; B26F1/02; B26F1/40; (IPC1-7): B26D7/16; B26F1/40