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Title:
【発明の名称】交換系システムの自動課金方式
Document Type and Number:
Japanese Patent JP2994064
Kind Code:
B2
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Inventors:
Touhou Shinto
Fujimura Osamu
Application Number:
JP5289291A
Publication Date:
December 27, 1999
Filing Date:
March 18, 1991
Export Citation:
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Assignee:
富士通株式会社
富士通東北通信システム株式会社
International Classes:
H04M3/60; H04M15/00; H04M15/26; (IPC1-7): H04M15/26; H04M3/60; H04M15/00
Domestic Patent References:
JP58222658A
Attorney, Agent or Firm:
Tadahiko Ito (2 outside)



 
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