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SJ Z 9003-1987 Test enclosures of non-injection type for constant relative humidity《非注入式恒定相对湿度试验箱》.pdf 9

SJ Z 9003-1987 Test enclosures of non-injection type for constant relative humidity《非注入式恒定相对湿度试验箱》.pdfSJ Z 9003-1987 Test enclosures of non-injection type for constant relative humidity《非注入式恒定相对湿度试验箱》.pdf

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SJ Z 21350-2018 《掺铈硅酸盐闪烁晶体设计指南》.pdf 19

SJ Z 21350-2018 《掺铈硅酸盐闪烁晶体设计指南》.pdfSJ Z 21350-2018 《掺铈硅酸盐闪烁晶体设计指南》.pdf

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SJ Z 21329-2018 《金属外壳设计指南》.pdf 19

SJ Z 21329-2018 《金属外壳设计指南》.pdfSJ Z 21329-2018 《金属外壳设计指南》.pdf

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SJ Z 1762-1981 Typical calculations for 50Hz single-phase power tranformers and filter choke using C-cores《单相50HzC型铁芯电源变压器和滤波阻流圈典型计算》.pdf 75

SJ Z 1762-1981 Typical calculations for 50Hz single-phase power tranformers and filter choke using C-cores《单相50HzC型铁芯电源变压器和滤波阻流圈典型计算》.pdfSJ Z 1762-1981 Typical calculations for 50Hz single-phase power tranformers and filter choke using C-cores《单相50HzC型铁芯电源变压器和滤波阻流圈典型计算》.pdf

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QJ 20280-2014 Technical requirment for electron beam welding of metal bellows《金属波纹管电子束焊接技术要求　　》.pdf 12

QJ 20280-2014 Technical requirment for electron beam welding of metal bellows《金属波纹管电子束焊接技术要求　　》.pdfQJ 20280-2014 Technical requirment for electron beam welding of metal bellows《金属波纹管电子束焊接技术要求　　》.pdf

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QJ 20279-2014 Test method for ablation of flight vehicle on arc heater with shroud nozzle《飞行器电弧加热设备包罩烧蚀试验方法》.pdf 13

QJ 20279-2014 Test method for ablation of flight vehicle on arc heater with shroud nozzle《飞行器电弧加热设备包罩烧蚀试验方法》.pdfQJ 20279-2014 Test method for ablation of flight vehicle on arc heater with shroud nozzle《飞行器电弧加热设备包罩烧蚀试验方法》.pdf

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QJ 20278-2014 Test method for ablation of flight vehicle-s nosetip shape change《飞行器端头烧蚀外形试验方法》.pdf 12

QJ 20278-2014 Test method for ablation of flight vehicle-s nosetip shape change《飞行器端头烧蚀外形试验方法》.pdfQJ 20278-2014 Test method for ablation of flight vehicle-s nosetip shape change《飞行器端头烧蚀外形试验方法》.pdf

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QJ 20277-2014 Test method for ablation of flight vehicle-s thermal protection with stagnation point model《飞行器防热驻点模型烧蚀试验方法》.pdf 14

QJ 20277-2014 Test method for ablation of flight vehicle-s thermal protection with stagnation point model《飞行器防热驻点模型烧蚀试验方法》.pdfQJ 20277-2014 Test method for ablation of flight vehicle-s thermal protection with stagnation point model《飞行器防热驻点模型烧蚀试验方法》.pdf

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QJ 20276-2014 Test method for ablation and heat transfer of flight vehicle-s thermal protection material with plate model《飞行器防热平板模型烧蚀传热试验方法　》.pdf 15

QJ 20276-2014 Test method for ablation and heat transfer of flight vehicle-s thermal protection material with plate model《飞行器防热平板模型烧蚀传热试验方法　》.pdfQJ 20276-2014 Test method for ablation and heat transfer of flight vehicle-s thermal protection material with plate model《飞行器防热平板模型烧蚀传热试验方法　》.pdf

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NY T 1995-2011 Good agricultural practice for production of pome fruit《仁果类水果良好农业规范》.pdf 11

NY T 1995-2011 Good agricultural practice for production of pome fruit《仁果类水果良好农业规范》.pdfNY T 1995-2011 Good agricultural practice for production of pome fruit《仁果类水果良好农业规范》.pdf

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