Document Type and Number:
Japanese Patent JPS4221692
Kind Code:
Y1
Application Number:
JP8139364U
Publication Date:
December 13, 1967
Filing Date:
October 17, 1964
Export Citation:
International Classes:
B21C43/00; B08B1/02; B41N3/00; G03D3/00; H05K3/26; (IPC1-7): G03D3/00; B08B1/02; B21C43/00; B41N3/00; H05K3/26