文档介绍：.. ... ..
IC0104073
20 荡黯
中华人民共和国国家标准
Gs/7186-1998
eqIS1213-1门993
煤矿科技术语选煤
Termrelatintcoamining
- Coapreparation
1998门2一08发布 1999一05一01实施
国家质董技刁险监督局发布
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Gs/7186-1998
目次
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准························“”··········”··········⋯ 12 引用标准··&#