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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4970454
Kind Code:
U
Application Number:
JP11370472U
Publication Date:
June 19, 1974
Filing Date:
September 30, 1972
Export Citation:
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International Classes:
H01F7/128; F16K31/06; H01F7/16; (IPC1-7): H01F7/16; F16K31/06
Domestic Patent References:
JPS529606U1977-01-22
JPS529054U1977-01-21
JPS4836608U1973-05-02



 
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