Document Type and Number:
Japanese Patent JPS5530978
Kind Code:
B2
Application Number:
JP12705472A
Publication Date:
August 14, 1980
Filing Date:
December 18, 1972
Export Citation:
International Classes:
G11B3/70; B29C33/00; B29C43/00; B29C43/02; B29C43/12; B29C43/20; B29C43/32; B29C43/34; B29C43/36; B29C59/02; B29C61/00; B29D17/00; B30B15/06; B44B5/00