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Patent Searching and Data

Document Type and Number:
Japanese Patent JPS5536991
Kind Code:
Application Number:
Publication Date:
August 30, 1980
Filing Date:
March 29, 1976
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International Classes:
A01F12/40; A01D43/08; A01F29/00; A01F29/02; A01F29/04; A01F29/10; (IPC1-7): A01F29/02; A01F29/10

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