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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS56167808
Kind Code:
U
Application Number:
JP6608580U
Publication Date:
December 11, 1981
Filing Date:
May 13, 1980
Export Citation:
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International Classes:
A01B69/00; G05D1/02; (IPC1-7): A01B69/00; G05D1/02
Domestic Patent References:
JPS5234757A1977-03-16
JP49132188B
JP54022565B
JP54108219B
JP53162029B
JP53139929B
JPS53149521A1978-12-27
JPS5145019A1976-04-17
JP46008525A