Document Type and Number:
Japanese Patent JPS51138510
Kind Code:
U
Application Number:
JP5770175U
Publication Date:
November 09, 1976
Filing Date:
April 30, 1975
Export Citation:
International Classes:
A01B63/16; A01B63/114; B60B37/00; (IPC1-7): A01B65/00; A01B63/114; B60B37/00
Domestic Patent References:
| JPS483762U | 1973-01-17 |