DIN 4118-1981 Head frames and winding towers for mines Design loads calculation principles and design principles《矿山用井架和提升塔 设计负载 计算和设计原理》.pdf

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DIN EN 818-7-2008 Short link chain for lifting purposes - Safety - Part 7 Fine tolerance hoist chain Grade T (Types T DAT and DT)(includes Amendment A1 2008) Ge.pdf

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DIN EN 1176-7-2008 Playground equipment and surfacing - Part 7 Guidance on installation inspection maintenance and operation English version of DIN EN 1176-7 20.pdf

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DIN EN 1159-1-2007 Advanced technical ceramics - Ceramic composites - Thermophysical properties - Part 1 Determination of thermal expansion (includes Corrigendu.pdf

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