Title:
PARALLEL OPPOSED DOUBLE TRACK CONSTITUTED ONLY OF ONE RECIRCULATION LINE
Document Type and Number:
Japanese Patent JPS62189202
Kind Code:
A
Inventors:
TSUCHIYA MAMORU
Application Number:
JP3213486A
Publication Date:
August 19, 1987
Filing Date:
February 17, 1986
Export Citation:
Assignee:
TSUCHIYA MAMORU
International Classes:
E01C1/04; (IPC1-7): E01C1/04
Domestic Patent References:
| JPS438138Y1 | 1968-04-11 |