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safety supervision of pipeline Manufacturing
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safety supervision of pipeline Manufacturing
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工学
压力管道安全监察
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safety supervision of pipeline Manufacturing
压力管道制造环节监察
对压力管道用管子、管件、阀门、法兰、补偿器、安全保护装置、压力管道防腐产品等产品制造单位实行行政许可制度,制造单位应向省级以上有关部门或省级有关部门授权的地市级有关部门申请压力管道元件制造许可证的监管措施。
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nucleonium
nucleon-nucleon collision
nucleon number
nucleon pair model
nucleon separation energy
nucleon transfer
nucleophile
nucleophilic 18F-fluorination substitution
nucleophilic active DNA slicing agent
nucleophilicity
nucleophilic reaction
nucleophilic reagent
nucleophilic rearrangement
nucleophilic substitution reaction
nucleoplasm
nucleopore filter membrane
nucleoprotamine
nucleoprotein
nucleor
nucleosidase
nucleoside
nucleoside antibiotic
nucleoside diphosphate
nucleoside monophosphate
nucleoside triphosphate
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