Document Type and Number:
Japanese Patent JPH02112985
Kind Code:
U
Application Number:
JP2074189U
Publication Date:
September 10, 1990
Filing Date:
February 23, 1989
Export Citation:
International Classes:
F16L55/04; F04B11/00; F04C14/00; F04C14/24; F04C15/06; (IPC1-7): F04C15/04; F04B11/00; F04C15/04; F16L55/04