Document Type and Number:
Japanese Patent JPS5523319
Kind Code:
Y2
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Application Number:
JP10407074U
Publication Date:
June 03, 1980
Filing Date:
August 30, 1974
Export Citation:
International Classes:
A01F12/32; A01F12/44; A01F12/54; B07B15/00; (IPC1-7): A01F12/32