首页>
外国专利>
METHOD OF STRIPPING THE WORKING LAYERS OF OPEN MINE
METHOD OF STRIPPING THE WORKING LAYERS OF OPEN MINE
展开▼
机译:露天矿工作层剥离方法
展开▼
页面导航
摘要
著录项
相似文献
摘要
the invention относитс to mountain industrial - t and m. b. used to open the development of пологопадающих and крутонаклонных seam mining.the purpose is to improve the effectiveness of изобретени вс
展开▼