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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5226510
Kind Code:
U
Application Number:
JP11237875U
Publication Date:
February 24, 1977
Filing Date:
August 14, 1975
Export Citation:
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International Classes:
H04B1/20; G11B5/027; G11B15/02; G11B31/00; (IPC1-7): G11B15/02; G11B31/00; H04B1/20
Domestic Patent References:
JPS497820B11974-02-22