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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5255594
Kind Code:
Y2
Application Number:
JP2552471U
Publication Date:
December 15, 1977
Filing Date:
April 06, 1971
Export Citation:
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International Classes:
G05D23/19; G05D23/20; G05D23/22; (IPC1-7): G05D23/19; G05D23/22