Document Type and Number:
Japanese Patent JPS5757675
Kind Code:
B2
Inventors:
SANO TADASHI
Application Number:
JP3836274A
Publication Date:
December 06, 1982
Filing Date:
April 04, 1974
Export Citation:
Assignee:
SUWA SEIKOSHA KK
International Classes:
G04G3/02; G04C3/00; H03B5/32; H03K23/00; H03K29/00; H03L1/00