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公开(公告)号：US1812927A
公开(公告)日：1931-07-07
申请号：US38514329
申请日：1929-08-12
Applicant: HANDY CLEANER CORP
Inventor： BULL ARTHUR A , LARSEN TORLEIF I
IPC: B01D27/04
CPC classification number: B01D27/04
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