Document Type and Number:
Japanese Patent JPS56107973
Kind Code:
U
Application Number:
JP541880U
Publication Date:
August 21, 1981
Filing Date:
January 22, 1980
Export Citation:
International Classes:
F04B39/12; B65G17/20; F04B39/00; (IPC1-7): F04B39/00; B65G17/20; F04B39/12
Domestic Patent References:
| JPS5344683A | 1978-04-21 |