Document Type and Number:
Japanese Patent JPS4915418
Kind Code:
A
Application Number:
JP4959872A
Publication Date:
February 09, 1974
Filing Date:
May 18, 1972
Export Citation:
International Classes:
G10H1/22; G10H1/34; H01H21/00; G10H1/02; (IPC1-7): G10H1/02