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IEC 60512-1-3-1997 Electromechanical components for electronic equipment - Basic testing procedures and measuring methods - Part 1 General examination - Section.pdf
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IEC 60510-3-1-1981 Methods of measurement for radio equipment used in satellite earth stations Part 3 Methods of measurement for combinations of sub-systems Se.pdf
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32
IEC 60510-2-7-1989 Methods of measurement for radio equipment used in satellite earth stations part 2 measurements for sub-systems section seven high-power ampl.pdf
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50
IEC 60510-2-6-1992 Methods of measurement for radio equipment used in satellite earth stations part 2 measurement for sub-systems section 6 frequency demodulato.pdf
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40
IEC 60510-2-4-1988 Methods of measurement for radio equipment used in satellite earth stations part 2 measurements for sub-systems section four up- and down-con.pdf
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12
DB65 T 3199-2011 Stationary Pressure Vessels installation supervision《固定式压力容器安装监督检验技术规范》.pdf
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DB65 T 3198-2011 Rule of cultivating technology of forage triticale《饲草型小黑麦栽培技术规程》.pdf
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DB65 T 3197-2011 Rule of foundation seed production technology of forage triticale《饲草型小黑麦原种生产技术规程》.pdf
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DB65 T 3196-2011 Triticale Wittmack Shida No.1《石大1号小黑麦》.pdf
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DB65 T 3195-2010 Rules of planting technologies on fibrous flax《纤用亚麻栽培技术规程》.pdf
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