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Document Type and Number:
Japanese Patent JPS5624440
Kind Code:
B2
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Application Number:
JP10498676A
Publication Date:
June 05, 1981
Filing Date:
September 03, 1976
Export Citation:
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International Classes:
H04M3/26; G06F11/00; G06F11/28; H04Q1/20; H04Q3/545



 
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