This standard specifies the classification and corresponding naming and coding for content of mercury on dry basis w (Hgd) in coal, as well as the limits of mercury content in coal production, processing and utilization〖WTBZ〗.〖WTF2〗〖KH1D〗
This standard is applicable to coal exploration, production, processing, marketing and utilization
定价: 168元 / 折扣价: 143 元 加购物车
This standard specifies the type and basic parameters,technical requirements,test methods,inspection rules,sign,packaging,transport and storage of single-rope mine drum hoist.
This standard is applicable to the singlerope mine drum hoist (hereinafter referred to as hoist) used in shaft or inclined shaft of coal mine (non explosion-proof),metal and nonmetal mines for lifting personnel,materials and equipment.
定价: 252元 / 折扣价: 215 元 加购物车