Document Type and Number:
Japanese Patent JPS6431383
Kind Code:
U
Application Number:
JP12048387U
Publication Date:
February 27, 1989
Filing Date:
August 07, 1987
Export Citation:
International Classes:
C01B3/00; F17C11/00; F28D20/00; F28F1/42; (IPC1-7): F28F1/42; F28D20/00