Document Type and Number:
Japanese Patent JPS5013236
Kind Code:
B1
Application Number:
JP683170A
Publication Date:
May 17, 1975
Filing Date:
January 26, 1970
Export Citation:
International Classes:
B21D47/00; B21D47/04; B31D3/02; B32B3/12; (IPC1-7): B21D47/04; B31D3/02; B32B3/12