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Document Type and Number:
Japanese Patent JPS4420910
Kind Code:
Y1
Application Number:
JP3690864U
Publication Date:
September 05, 1969
Filing Date:
May 12, 1964
Export Citation:
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International Classes:
A01B73/00; A01F12/00; B02B3/00; B02B7/00; B62H1/12; (IPC1-7): B02B3/00; A01F12/00; B62H1/12



 
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