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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5297017
Kind Code:
U
Application Number:
JP606776U
Publication Date:
July 20, 1977
Filing Date:
January 19, 1976
Export Citation:
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International Classes:
H03J7/20; H03B5/32; H03J7/28; (IPC1-7): H04B1/32; H03B5/32