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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0231120
Kind Code:
Y2
Application Number:
JP19960087U
Publication Date:
August 22, 1990
Filing Date:
December 29, 1987
Export Citation:
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International Classes:
D06F81/02; D06F81/04; D06F81/12; (IPC1-7): D06F81/04