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公开(公告)号：US2578932A
公开(公告)日：1951-12-18
申请号：US2268448
申请日：1948-04-22
Applicant: SHELL DEV
Inventor： HINZE JULIUS O , CORNELIS STILLEBROER
CPC classification number: F02F1/4264 , F02B3/06 , F02F2001/247
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