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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4974409
Kind Code:
A
Application Number:
JP11476872A
Publication Date:
July 18, 1974
Filing Date:
November 17, 1972
Export Citation:
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International Classes:
H04M3/42; H04Q3/555
Domestic Patent References:
JP46038041A



 
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