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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS561999
Kind Code:
Y2
Application Number:
JP980376U
Publication Date:
January 17, 1981
Filing Date:
January 30, 1976
Export Citation:
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International Classes:
F04B33/00; F04B45/02; F04F1/06; (IPC1-7): F04B45/02; F04B33/00; F04F1/06