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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4814070
Kind Code:
Y1
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Application Number:
JP12000269U
Publication Date:
April 17, 1973
Filing Date:
December 16, 1969
Export Citation:
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International Classes:
D06F81/08; D06F81/00; (IPC1-7): D06F81/00