Document Type and Number:
Japanese Patent JPS5040883
Kind Code:
B1
Application Number:
JP10757670A
Publication Date:
December 27, 1975
Filing Date:
December 07, 1970
Export Citation:
International Classes:
H04M1/72; H04M1/00; H04M13/00; H04Q5/24; (IPC1-7): H04M13/00; H04M1/00
Domestic Patent References:
| JP34009801A | ||||
| JP42000324A |