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公开(公告)号：US1766166A
公开(公告)日：1930-06-24
申请号：US9869326
申请日：1926-03-31
Applicant: GENTER THICKENER COMPANY
Inventor： CALLOW JOHN M
IPC: B01D29/11
CPC classification number: B01D29/114 , B01D29/668 , B01D2201/287
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