Document Type and Number:
Japanese Patent JPS54183718
Kind Code:
U
Application Number:
JP8289878U
Publication Date:
December 26, 1979
Filing Date:
June 19, 1978
Export Citation:
International Classes:
F16L58/00; B21D19/00; B21D19/08; C23F13/00; C25D11/02; (IPC1-7): F16L58/00; B21D19/00; C23F13/00; C25D11/02