API 14L 第3版红线版翻译.pdf
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PetroleumandnaturalgasindustriesDownhole
equipment
LockMandrelsandLandingNipples锁紧心轴和坐放短节
1Scope
Thisspecification规范InteFnationalStandardprovidestherequirementsforlock
mandrelsandlanding
nippleswithintheproduction/injectionconduitfortheinst
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