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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6343255
Kind Code:
Y2
Application Number:
JP6031583U
Publication Date:
November 11, 1988
Filing Date:
April 23, 1983
Export Citation:
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International Classes:
E02F3/94; E02F3/90; (IPC1-7): E02F3/90; E02F3/94



 
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