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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5283980
Kind Code:
U
Application Number:
JP17341675U
Publication Date:
June 22, 1977
Filing Date:
December 20, 1975
Export Citation:
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International Classes:
A01F12/52; A01F12/46; (IPC1-7): A01F12/52; A01F12/46