Document Type and Number:
Japanese Patent JPS5253125
Kind Code:
U
Application Number:
JP13752575U
Publication Date:
April 16, 1977
Filing Date:
October 07, 1975
Export Citation:
International Classes:
E01F7/02; E04H17/16; (IPC1-7): E01F7/02; E04H17/16
Domestic Patent References:
| JPS5037322U | 1975-04-18 |