Document Type and Number:
Japanese Patent JPS5217737
Kind Code:
Y2
Application Number:
JP4915471U
Publication Date:
April 21, 1977
Filing Date:
June 10, 1971
Export Citation:
International Classes:
F04D27/00; H01H13/20; H01H13/56; H01H13/70; (IPC1-7): H01H13/20; H01H13/70