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公开(公告)号：US1012500A
公开(公告)日：1911-12-19
申请号：US1911615904
申请日：1911-03-21
Applicant: AITKEN JOHN CHRISTEE
Inventor： AITKEN JOHN CHRISTEE
CPC classification number: F03B11/08 , B01D33/073 , Y02E10/226
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