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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5437920
Kind Code:
Y2
Application Number:
JP1992176U
Publication Date:
November 13, 1979
Filing Date:
February 20, 1976
Export Citation:
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International Classes:
D06F81/10; D06F81/00; D06F81/12; (IPC1-7): D06F81/12