Document Type and Number:
Japanese Patent JPH01150660
Kind Code:
U
Application Number:
JP4846188U
Publication Date:
October 18, 1989
Filing Date:
April 11, 1988
Export Citation:
International Classes:
E03B7/10; F16K17/38; F16K31/70; (IPC1-7): E03B7/10; F16K17/38; F16K31/70
Domestic Patent References:
JPS5616679B2 | 1981-04-17 | |||
JPS60146975A | 1985-08-02 | |||
JP59147965B |