Title:
EMERGENCY INTER-TALKING DEVICE
Document Type and Number:
Japanese Patent JPS62240278
Kind Code:
A
Inventors:
MIYAMOTO ISAMU
Application Number:
JP8198786A
Publication Date:
October 21, 1987
Filing Date:
April 11, 1986
Export Citation:
Assignee:
TOKYO SAPOOTOSHIYA KK
International Classes:
H04M11/04; B66B3/00; G08B25/04; G08B27/00; H04M9/00; (IPC1-7): B66B3/00; G08B27/00; H04M9/00; H04M11/04
Attorney, Agent or Firm:
Mitsuo Matsuda