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DOI: 10.3969/j.issn.1671-0959.2009.08.012
Application of medium air pressure drilling in soft seam
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Publication Date：2009-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：2( 31-32 )
COAL ENGINEERING

COAL ENGINEERING

PKUISTIC
ISSN：1671-0959
Year, Vol.(Issue)：2009,(8)
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