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公开(公告)号：US1865614A
公开(公告)日：1932-07-05
申请号：US29995528
申请日：1928-08-16
Applicant: SWENSON EVAPORATOR COMPANY
Inventor： CALDWELL HAROLD B
IPC: B01D9/00
CPC classification number: B01D9/0022
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公开(公告)号：US2067043A
公开(公告)日：1937-01-05
申请号：US69509533
申请日：1933-10-25
Applicant: SWENSON EVAPORATOR COMPANY
Inventor： CALDWELL HAROLD B
IPC: B01D9/00
CPC classification number: B01D9/0022 , Y10S159/13 , Y10S159/16
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