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公开(公告)号：US2831574A
公开(公告)日：1958-04-22
申请号：US39737253
申请日：1953-12-10
Applicant: BASIC INC
Inventor： WEINIG ARTHUR J , MCINTOSH JAMES F
IPC: B03D1/008
CPC classification number: B03D1/01 , B03D1/008 , B03D2201/02 , B03D2203/04
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