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公开(公告)号：US2877653A
公开(公告)日：1959-03-17
申请号：US49207655
申请日：1955-03-04
Applicant: SPECIALTIES DEV CORP
Inventor： WALTER MASNIK , ROMEO ERNEST V , ZURLO JAMES V
CPC classification number: F04B27/1054 , F04B27/0886 , F04B27/109 , F04B27/12 , Y10T74/18336
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