Document Type and Number:
Japanese Patent JPS5017246
Kind Code:
Y1
Application Number:
JP5721170U
Publication Date:
May 28, 1975
Filing Date:
June 10, 1970
Export Citation:
International Classes:
F16L27/12; F16L27/00; F24F13/22; F25D21/14; (IPC1-7): F24F1/00; F16L27/00; F25D21/14