Title:
【発明の名称】電話料金管理装置
Document Type and Number:
Japanese Patent JP2838431
Kind Code:
B2
Inventors:
KUNIDA KENJI
Application Number:
JP6338490A
Publication Date:
December 16, 1998
Filing Date:
March 14, 1990
Export Citation:
Assignee:
AICHI TOKEI DENKI KK
International Classes:
H04M15/34; H04M17/00; H04Q3/58; (IPC1-7): H04M17/00; H04Q3/58
Domestic Patent References:
| JP310457A |
Attorney, Agent or Firm:
Kentaro Iida (1 person outside)