Document Type and Number:
Japanese Patent JPS5122853
Kind Code:
B1
Application Number:
JP7747171A
Publication Date:
July 13, 1976
Filing Date:
October 02, 1971
Export Citation:
International Classes:
B42F5/00; G03B21/132; G03B23/06; (IPC1-7): B42F7/00; B42F13/16; G03B21/132