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公开(公告)号：US2472635A
公开(公告)日：1949-06-07
申请号：US78385047
申请日：1947-11-03
Applicant: SHELL DEV
Inventor： WEBER MARTIN K , NELSON CHARLES R
CPC classification number: B01J19/02 , B01J2219/0218 , B01J2219/024 , C04B41/00 , F27D1/0006
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