Document Type and Number:
Japanese Patent JPH01143402
Kind Code:
U
Application Number:
JP3967188U
Publication Date:
October 02, 1989
Filing Date:
March 28, 1988
Export Citation:
International Classes:
E02F9/00; F15B11/02; (IPC1-7): F15B11/02; E02F9/00
Domestic Patent References:
| JPS5177781A | 1976-07-06 | |||
| JPS61165432A | 1986-07-26 |