Document Type and Number:
Japanese Patent JPS53142402
Kind Code:
U
Application Number:
JP4725277U
Publication Date:
November 10, 1978
Filing Date:
April 13, 1977
Export Citation:
International Classes:
A01B33/08; A01B33/10; A01B33/14; A01B33/16; F16J15/16; F16J15/52; (IPC1-7): A01B33/10; A01B33/14; A01B33/16; F16J15/16
Domestic Patent References:
| JPS514163U | 1976-01-13 |