Document Type and Number:
Japanese Patent JPS565068
Kind Code:
Y2
Application Number:
JP13816078U
Publication Date:
February 04, 1981
Filing Date:
October 07, 1978
Export Citation:
International Classes:
G02C13/00; B25B7/02; B25B9/00; (IPC1-7): G02C13/00; B25B9/00
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