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公开(公告)号：US2949031A
公开(公告)日：1960-08-16
申请号：US48613355
申请日：1955-02-04
Applicant: DIAMOND POWER SPECIALITY
Inventor： BRUNI JOHN G , MILLER PAUL E
IPC: G01F23/02
CPC classification number: G01F23/02
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