Document Type and Number:
Japanese Patent JPS4960664
Kind Code:
U
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Application Number:
JP10381172U
Publication Date:
May 28, 1974
Filing Date:
September 06, 1972
Export Citation:
International Classes:
G03B42/02; A61B6/14; G03C3/00; (IPC1-7): A61B6/14; G03C3/00