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IEC60534-7-1989industrial-processcontrolvalves–Part7Controlvalvedatasheet

IEC60534-7-1989industrial-processcontrolvalves–Part7Controlvalvedatasheet

EN14141-2004Valvesfornaturalgastransportationinpipelines–Performancerequirementsandtests

EN14141-2004Valvesfornaturalgastransportationinpipelines–Performancerequirementsandtests

EN1111-1998Sanitarytapware–Thermostaticmixingvalves(PN10)–Generaltechnicalspecification

EN1111-1998Sanitarytapware–Thermostaticmixingvalves(PN10)–Generaltechnicalspecification

DistrictCoolingTheoryandPractice

DistrictCoolingTheoryandPractice

Districtcoolingguide-ASHRAE(2013)

Districtcoolingguide-ASHRAE(2013)

Districtcoolingguide-ASHRAE2013

Districtcoolingguide-ASHRAE2013

DinISO5821-1984电阻点焊电极可拆端

DinISO5821-1984电阻点焊电极可拆端

DinENISO6947-1997焊缝.工作位置.倾斜角和旋转角定义

DinENISO6947-1997焊缝.工作位置.倾斜角和旋转角定义

DinENISO5817-2003中文版钢、镍、钛及其合金熔焊接头(不包括电子束焊接)缺陷的质量等级

DinENISO5817-2003中文版钢、镍、钛及其合金熔焊接头(不包括电子束焊接)缺陷的质量等级

DinENISO4063-2000焊接和相工艺.工艺名称和参照代码

DinENISO4063-2000焊接和相工艺.工艺名称和参照代码

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