Document Type and Number:
Japanese Patent JPS5032371
Kind Code:
Y2
Application Number:
JP4510771U
Publication Date:
September 20, 1975
Filing Date:
May 31, 1971
Export Citation:
International Classes:
F28D7/16; F28D3/02; F28D7/00; (IPC1-7): F28D7/00; F28D3/02