Document Type and Number:
Japanese Patent JPH02127876
Kind Code:
U
Application Number:
JP3671189U
Publication Date:
October 22, 1990
Filing Date:
March 29, 1989
Export Citation:
International Classes:
E02F9/26; E02F9/20; F16K37/00; (IPC1-7): F16K37/00; E02F9/20
Domestic Patent References:
JPS5538454A | 1980-03-17 | |||
JP62124516B |