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????:?? > ???? > ???? > ???R662
?????????R662????,?????R662?????????????,?????????????R662????????????R662??.????:156-2555-0907

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???R662
?????R662??:
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???R662????????????
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??????17bar
???R662?????????????????????
??????:

R622H-DGJ???????:DN20,??17bar,??0.55-0.82kg,??50kg

R622-DFF???????:DN20,??1bar,??228-300mmwc,??30kg

??:2017/8/7 0:00:00
???:1803???:????

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