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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH01155310
Kind Code:
U
Application Number:
JP4770688U
Publication Date:
October 25, 1989
Filing Date:
April 11, 1988
Export Citation:
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International Classes:
A01B63/10; A01B43/00; A01B63/00; (IPC1-7): A01B43/00; A01B63/10