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h20-44 class b truck loading

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发表于 2009-9-9 15:42:45 | 显示全部楼层 |阅读模式
h20-44 class b truck loading
i know what h20-44 truck load is. what is meant by "class b"  
thanks in advance

doesn't ring a bell. what year was the bridge constructed? i have the 1944, 1953, and a few other aashos at the office; i can look into it on monday. is there any other information given?
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