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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH02138413
Kind Code:
U
Application Number:
JP4782689U
Publication Date:
November 19, 1990
Filing Date:
April 24, 1989
Export Citation:
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International Classes:
H01G4/12; H01G4/30; (IPC1-7): H01G4/12; H01G4/30