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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5413134
Kind Code:
B2
Application Number:
JP9591472A
Publication Date:
May 29, 1979
Filing Date:
September 25, 1972
Export Citation:
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International Classes:
H04J3/00; H04L5/22; (IPC1-7): H04J3/00



 
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