Document Type and Number:
Japanese Patent JPS4713950
Kind Code:
Y1
More Like This:
| WO/1981/000121 | RAIL FASTENER |
Application Number:
JP5261867U
Publication Date:
May 20, 1972
Filing Date:
June 21, 1967
Export Citation:
International Classes:
(IPC1-7): E01B9/34; B66B7/02