Document Type and Number:
Japanese Patent JPS53149928
Kind Code:
U
Application Number:
JP5658377U
Publication Date:
November 25, 1978
Filing Date:
April 30, 1977
Export Citation:
International Classes:
F16K17/06; F16D48/02; G05D16/00; G05D16/10; (IPC1-7): G05D16/00; F16D25/14; F16K17/06