Document Type and Number:
Japanese Patent JPS54130001
Kind Code:
U
Application Number:
JP2581778U
Publication Date:
September 10, 1979
Filing Date:
February 28, 1978
Export Citation:
International Classes:
A01B63/00; A01B63/10; A01B63/114; (IPC1-7): A01B63/114; A01B63/10