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Manhole
Author:Charming Chemical Eq source: time:2019-08-03 11:17:42
Manhole device for maintenance and cleaning, the spring force can be used to close and open the manhole conveniently with excellent sealing effect. Manhole is facilitate staff access, save time, protect the glass on the surface from damage.

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Manhole

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Manhole device for maintenance and cleaning, the spring force can be used to close and open the manhole conveniently with excellent sealing effect. Manhole is facilitate staff access, save time, protect the glass on the surface from damage.

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