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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS542087
Kind Code:
U
Application Number:
JP7306977U
Publication Date:
January 08, 1979
Filing Date:
June 04, 1977
Export Citation:
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International Classes:
A63H17/32; A63H19/14; G10K1/00; (IPC1-7): A63H17/32; A63H19/14; G10K1/00
Domestic Patent References:
JPS5146154U1976-04-05
JPS5029595U1975-04-03