Document Type and Number:
Japanese Patent JPS5287502
Kind Code:
U
Application Number:
JP17785275U
Publication Date:
June 30, 1977
Filing Date:
December 26, 1975
Export Citation:
International Classes:
A01B33/16; A01B33/02; (IPC1-7): A01B33/02; A01B33/16; A01B65/06