GB/T 19930.2-2014 土方机械 挖掘机保护结构的实验室试验和性能要求 第2部分：6 t以上挖掘机的滚翻保护结构(ROPS)

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cB/T't9930.2-2014/tSO121172008

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i*ffifE,EaBgxffiZf;Fr),6tDI't.

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Earth-movingmachinery-Laboratorytestsandperformancerequirements

forprotectivestructuresofexcavators-Part2:Roll-overprotective

structures(ROPS)forexcavatorsofover6t

(ISO12117-2:2008,IDT)

2014-07-24fr.fr2015-01-01*i6

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tractorsandmachineryforagricultureandforestry-Seatindexpoint)

ISO6165+.ZilLffi,E+44i.Ar{.^EfiEX(Earth-movingmachinery-Basictypes-

Identificationandtermsanddefinitions)

ISO92481.,fltffi,F(-t.'H€EfEAW.ffJ4&5U{E}EffiE(Earth-movingmachinery-Units

fordimensions,performanceandcapacities,andtheirmeasurementaccuracies)

3

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3.1

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[GB/T21754-2014,ftX3.1.4]

3.2

,HdEbedplate

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3.8

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3.19

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