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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS646649
Kind Code:
Y2
Application Number:
JP16778681U
Publication Date:
February 21, 1989
Filing Date:
November 10, 1981
Export Citation:
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International Classes:
A01C11/02; B62H1/10; B62K13/00; (IPC1-7): A01C11/02



 
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