Document Type and Number:
Japanese Patent JPS4970812
Kind Code:
U
Application Number:
JP11420572U
Publication Date:
June 20, 1974
Filing Date:
October 03, 1972
Export Citation:
International Classes:
H01H43/04; G04C23/18; G04C23/26; H04B1/06; (IPC1-7): H04B1/06; G04C23/18; H01H43/04