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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS57117809
Kind Code:
U
More Like This:
Application Number:
JP381281U
Publication Date:
July 21, 1982
Filing Date:
January 14, 1981
Export Citation:
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International Classes:
H01Q1/22; H01Q1/12; H01Q1/32; H01Q1/36; (IPC1-7): H01Q1/32; H01Q1/12; H01Q1/36
Domestic Patent References:
JPS4910270U1974-01-28
JP51107145B