Cranes—Design principles for loads and load combinations—Part 5:Overhead travelling and portal bridge cranes
MOD ISO 8686-5:1992
全国起重机械标准化技术委员会(SAC/TC 227)
GB/T 22437的本部分规定了GB/T 22437.1在GB/T 6974.1所定义的桥式和门式起重机中的应用，并且对所使用的系数给出了具体数值。
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