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公开(公告)号：US11090625B2
公开(公告)日：2021-08-17
申请号：US16962601
申请日：2019-01-04
Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
Inventor： Pier Luigi Di Federico , Martin Andries De Zeeuw
Abstract: An apparatus and a method to withdraw samples from a polymerization plant using a defined sequence of steps combined with locking devices for valves opened by a single key.
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