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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6213868
Kind Code:
B2
Inventors:
MASUDA TOORU
HATSUTORI MICHIMITSU
NAITO SHUNICHI
Application Number:
JP7770178A
Publication Date:
March 30, 1987
Filing Date:
June 27, 1978
Export Citation:
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Assignee:
FUJITSU LTD
International Classes:
H04M3/02; H04Q11/04