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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS52137052
Kind Code:
U
Application Number:
JP4514076U
Publication Date:
October 18, 1977
Filing Date:
April 13, 1976
Export Citation:
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International Classes:
H01F37/00; H05B41/02; (IPC1-7): H01F37/00; H01F31/06; H05B41/02
Domestic Patent References:
JPS4723879U1972-11-17
JPS5043719U1975-05-02
JPS392291Y1



 
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