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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5150024
Kind Code:
U
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Application Number:
JP12325574U
Publication Date:
April 15, 1976
Filing Date:
October 12, 1974
Export Citation:
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International Classes:
H04R1/02; G03B21/56; G03B31/00; (IPC1-7): H04R1/02; G03B21/56
Domestic Patent References:
JPS4030855Y1
JPS4842934U1973-06-02



 
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