Powered support for coal mine—Part 1:General specification
NEQ EN 1804-1:2001
中国煤炭工业协会
GB 25974的本部分规定了煤矿用液压支架（以下简称支架）的术语和定义、要求、试验方法、检验规则、标志、包装、运输和贮存。
本部分适用于在（0～60）℃之间的环境温度时使用的支架。
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