Title:
【発明の名称】通話電流供給回路
Document Type and Number:
Japanese Patent JP2657502
Kind Code:
B2
Inventors:
IMAI MITSURU
Application Number:
JP29508987A
Publication Date:
September 24, 1997
Filing Date:
November 25, 1987
Export Citation:
Assignee:
NITSUTSUKO KK
International Classes:
H04M19/00; H04B3/50; H04Q3/42; (IPC1-7): H04M19/00; H04B3/50; H04Q3/42
Domestic Patent References:
| JP53140907A |
Attorney, Agent or Firm:
Tan Ashida (2 outside)