Document Type and Number:
Japanese Patent JPS5512338
Kind Code:
U
Application Number:
JP9545378U
Publication Date:
January 26, 1980
Filing Date:
July 11, 1978
Export Citation:
International Classes:
A01B13/00; A01B39/12; A01B39/18; (IPC1-7): A01B39/18; A01B39/12
Domestic Patent References:
| JPS5218113B2 | 1977-05-19 | |||
| JP43012214A |
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