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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS57143708
Kind Code:
U
Application Number:
JP2903281U
Publication Date:
September 09, 1982
Filing Date:
March 04, 1981
Export Citation:
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International Classes:
H03H19/00; H03D1/00; (IPC1-7): H03D1/00; H03H19/00



 
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