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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS57104658
Kind Code:
U
Application Number:
JP18138480U
Publication Date:
June 28, 1982
Filing Date:
December 16, 1980
Export Citation:
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International Classes:
H04M11/10; H04M1/64; H04M1/65; H04Q9/00; H04Q9/14; (IPC1-7): H04M11/10; H04M1/64; H04Q9/00
Domestic Patent References:
JP43012694A
JPS5055787A1975-05-16
JPS4843441A1973-06-23
JPS4922050A1974-02-27
JPS54121010A1979-09-19



 
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