Document Type and Number:
Japanese Patent JPS5684497
Kind Code:
U
Application Number:
JP16888079U
Publication Date:
July 07, 1981
Filing Date:
December 05, 1979
Export Citation:
International Classes:
A01D44/02; B63B5/24; B63B43/12; (IPC1-7): B63B43/12; A01D44/02; B63B5/24
Domestic Patent References:
| JP50102090B | ||||
| JPS4319091Y1 | 1968-08-08 | |||
| JPS4827493A | 1973-04-11 |
Foreign References:
| US3469557A | 1969-09-30 |