Cranes other than mobile,tower and floating cranes and tower cranes—General requirements for stability
MOD ISO 4304:1987
全国起重机械标准化技术委员会(SAC/TC 227)
本标准规定了通过计算来校验GB/T 6974.1定义的各类起重机（流动式、塔式和浮式起重机除外）的抗倾翻稳定性应满足的条件，假定起重机置于坚实的水平支承面或轨道上。
本标准不包含起重机在其轨道上打滑的校验。
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