SFS 3211-1974 《长途通讯电缆 PVC绝缘中心电缆和PVC中心电缆 MMSR》.pdf

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GYJ 43-1990 广播电视中心技术用房室内环境要求(温度、湿度、照度).pdf

SIS SMS 1437-1948 《中心，带轴承前中心，中心壳》.pdf

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IRAM-IAP A 25-7-1962 《阿根廷石油电气设备研究中心要求的对蒸汽生成设备以及水锅炉的标准压力以及温度》.pdf

SIS SMS 1436-1948 《中心，带轴承前中心》.pdf

SIS SMS 1438-1949 《中心，带轴承前中心，轴》.pdf

JIS Z 3703：2004 焊接预热温度层间温度焊后温度测量方法.pdf

GB T 18591-2001 焊接 预热温度、道间温度及预热维持温度的测量指南.pdf

CSN ON 02 7215-1963 《用于高速流的温度计池 用于电阻温度计，电热温度计和玻璃温度计》.pdf

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