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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5139070
Kind Code:
Y2
Application Number:
JP7892171U
Publication Date:
September 24, 1976
Filing Date:
September 01, 1971
Export Citation:
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International Classes:
F02N7/00; F02N9/04; F02N15/00; F16H39/00; F16H61/40; F16H61/4192; (IPC1-7): F02N15/00