EXCAVATING/STIRRING DEVICE AND SOIL IMPROVEMENT METHOD
PROBLEM TO BE SOLVED: To provide an excavating/stirring device easily lifted up from an excavated groove and improving the working efficiency and to provide a soil improvement method. SOLUTION: This excavating/stirring device is provided with a plurality of rotary means 20C, 20R and 20L liftably sup...
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Sprache: | eng |
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