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公开(公告)号：US1485333A
公开(公告)日：1924-02-26
申请号：US38238120
申请日：1920-05-18
Applicant: ROBESON PROCESS COMPANY
Inventor： HICKS HURT HENRY
IPC: C05F1/00
CPC classification number: C05F1/00 , Y02A40/201 , Y02P20/145 , C05F7/02
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