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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS50122230
Kind Code:
U
Application Number:
JP3128674U
Publication Date:
October 06, 1975
Filing Date:
March 20, 1974
Export Citation:
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International Classes:
G03B7/26; G03B19/18; G03B21/43; H02P7/288; (IPC1-7): G03B21/43; H02P5/16
Domestic Patent References:
JPS4510499Y11970-05-14



 
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