Document Type and Number:
Japanese Patent JPH02132193
Kind Code:
U
Application Number:
JP4051789U
Publication Date:
November 02, 1990
Filing Date:
April 07, 1989
Export Citation:
International Classes:
F16L41/02; F22G3/00; (IPC1-7): F16L41/02; F16L41/02; F22G3/00