Document Type and Number:
Japanese Patent JPS5383402
Kind Code:
U
Application Number:
JP16667276U
Publication Date:
July 10, 1978
Filing Date:
December 14, 1976
Export Citation:
International Classes:
A01B63/16; B60B37/00; (IPC1-7): A01B65/04; B60B37/00
Domestic Patent References:
| JPS375611Y1 | ||||
| JPS4430649Y1 | 1969-12-17 | |||
| JPS4717453U | 1972-10-28 |