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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS57100380
Kind Code:
U
More Like This:
Application Number:
JP17728080U
Publication Date:
June 21, 1982
Filing Date:
December 09, 1980
Export Citation:
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International Classes:
G11B33/08; G11B33/12; H04R1/02; H04R5/02; H05K7/02; H05K7/14; (IPC1-7): H04R1/02; G11B1/00; H04R5/02; H05K7/02
Domestic Patent References:
JPS5324747A1978-03-07