MSZ 8691 1-1980 《全国铁路衡量》.pdf

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CSN 37 5199 Zb-1988 《修订b 2 1988捷克国家标准37 5199 全国铁路和铁道的分离标示与安全》.pdf

MSZ 8691 2-1980 《全国铁路公共距离测量轨道准确 n》.pdf

MSZ 8691 3-1981 《全国铁路公共非电气化轨距》.pdf

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