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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6180879
Kind Code:
U
Application Number:
JP16687084U
Publication Date:
May 29, 1986
Filing Date:
November 01, 1984
Export Citation:
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International Classes:
E01C1/00; E03F5/04; E03F5/046; (IPC1-7): E03F5/04; E01C1/00
Domestic Patent References:
JPS5311829B21978-04-25
JP58140286B