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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5149120
Kind Code:
Y2
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Application Number:
JP3702673U
Publication Date:
November 26, 1976
Filing Date:
March 27, 1973
Export Citation:
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International Classes:
G02B23/08; A63H33/22; G03B23/00; (IPC1-7): A63H33/22; G03B23/00