Document Type and Number:
Japanese Patent JPS4425320
Kind Code:
Y1
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Application Number:
JP7005566U
Publication Date:
October 24, 1969
Filing Date:
July 23, 1966
Export Citation:
International Classes:
B02B7/00; A01F12/00; B02B3/00; (IPC1-7): A01F12/00; B02B3/00