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公开(公告)号:CA567523A
公开(公告)日:1958-12-16
申请号:CA567523D
Applicant: SHELL DEV
Inventor: HOWARD HARRY W , WITTENWYLER CLIFFORD V , NIKLES OTHO L JR
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公开(公告)号:CA560789A
公开(公告)日:1958-07-22
申请号:CA560789D
Applicant: SHELL DEV
Inventor: HOWARD HARRY W , WITTENWYLER CLIFFORD V , NIKLES OTHO L JR
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