Document Type and Number:
Japanese Patent JPS4938371
Kind Code:
Y2
Application Number:
JP4075071U
Publication Date:
October 21, 1974
Filing Date:
May 20, 1971
Export Citation:
International Classes:
F23L13/02; F16K1/18; F16K1/20; F24F13/14; F24F13/15; (IPC1-7): F16K1/20