Document Type and Number:
Japanese Patent JPS48105502
Kind Code:
U
Application Number:
JP2773572U
Publication Date:
December 08, 1973
Filing Date:
March 07, 1972
Export Citation:
International Classes:
G03B31/04; G11B5/027; G11B20/02; G11B31/00; (IPC1-7): G11B31/00; G11B5/027