Document Type and Number:
Japanese Patent JPH02116540
Kind Code:
U
More Like This:
Application Number:
JP2549589U
Publication Date:
September 18, 1990
Filing Date:
March 06, 1989
Export Citation:
International Classes:
E02D17/20; E02D29/02; (IPC1-7): E02D29/02; E02D17/20
Domestic Patent References:
JPS5421402U | 1979-02-10 | |||
JPH02210121A | 1990-08-21 |