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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5719619
Kind Code:
B2
Application Number:
JP11207277A
Publication Date:
April 23, 1982
Filing Date:
September 16, 1977
Export Citation:
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International Classes:
H04J1/00; H03H3/08; H03H9/25; H03H9/42; H04J3/00; H04J4/00