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公开(公告)号:CA586533A
公开(公告)日:1959-11-03
申请号:CA586533D
Applicant: SHELL DEV
Inventor: RIES HAROLD C , MAGOVERN ROBERT L
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公开(公告)号:CA587334A
公开(公告)日:1959-11-17
申请号:CA587334D
Applicant: SHELL DEV
Inventor: MAGOVERN ROBERT L , RIES HAROLD C , BREIER IRWIN L
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