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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5250926
Kind Code:
U
Application Number:
JP13812075U
Publication Date:
April 12, 1977
Filing Date:
October 09, 1975
Export Citation:
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International Classes:
A01C11/02; (IPC1-7): A01C11/02
Domestic Patent References:
JPS448323Y11969-04-01