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Patent Searching and Data

Document Type and Number:
Japanese Patent JPS5535898
Kind Code:
Application Number:
Publication Date:
September 17, 1980
Filing Date:
May 20, 1974
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International Classes:
H03L7/16; H03J7/28; H03L7/113; H03L7/187; H04B1/16; H04B1/26

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