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Patent Searching and Data

Document Type and Number:
Japanese Patent JPS5717540
Kind Code:
Application Number:
Publication Date:
April 13, 1982
Filing Date:
November 09, 1977
Export Citation:
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International Classes:
H03J7/28; H03J1/02; H03J5/00; H04B1/40; (IPC1-7): H03J1/02; H03J5/00; H03J7/28; H04B1/40

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