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Title:
螺旋牽引及び推進複合型自走式掘進装置
Document Type and Number:
Japanese Patent JP2015510974
Kind Code:
A5
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Application Number:
JP2015500746
Publication Date:
July 02, 2015
Filing Date:
December 04, 2012
Export Citation:
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International Classes:
E21D9/06



 
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