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公开(公告)号：US1035422A
公开(公告)日：1912-08-13
申请号：US1912674199
申请日：1912-01-29
Applicant: INTERNAT PRECIPITATING COMPANY
Inventor： COTTRELL FREDERICK GARDNER , BURNS HERBERT ALEXANDER
IPC: B03C3/41
CPC classification number: B03C3/41 , B03C2201/10
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