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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4988745
Kind Code:
U
Application Number:
JP12225772U
Publication Date:
August 01, 1974
Filing Date:
October 23, 1972
Export Citation:
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International Classes:
G02F1/1333; G02F1/13; G09F9/00; G09F9/30; G09F9/35; (IPC1-7): G02F1/13; G09F9/00
Domestic Patent References:
JPS4946450A1974-05-04