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DOI: 10.3969/j.issn.1007-7677.2008.05.002
Analysis on status of third party notarization inspection and necessity of occupational standard in coal business in China
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Publication Date：2008-01-01
Pages：2( 4-5 )
GOAL QUALITY AND TECHNOLOGY

GOAL QUALITY AND TECHNOLOGY

ISSN：1007-7677
Year, Vol.(Issue)：2008,(5)
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