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Document Type and Number:
Japanese Patent JPS5425370
Kind Code:
B2
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Application Number:
JP6152771A
Publication Date:
August 28, 1979
Filing Date:
August 13, 1971
Export Citation:
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International Classes:
H04M11/00; H04B17/00; H04J3/08; H04J3/14; H04L5/22; H04L25/02; H04B3/46; (IPC1-7): H04J3/14; H04J3/08



 
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