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公开(公告)号:CA785338A
公开(公告)日:1968-05-14
申请号:CA785338D
Applicant: ETHYL CORP
Inventor: CLOSSON REX D , LIGETT WALDO B , KOLKA ALFRED J
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公开(公告)号:CA521306A
公开(公告)日:1956-01-31
申请号:CA521306D
Applicant: ETHYL CORP
Inventor: KOLKA ALFRED J , LIGETT WALDO B
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公开(公告)号:CA518768A
公开(公告)日:1955-11-22
申请号:CA518768D
Applicant: ETHYL CORP
Inventor: LIGETT WALDO B , CLOSSON REX D , KOLKA ALFRED J
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公开(公告)号:CA621098A
公开(公告)日:1961-05-30
申请号:CA621098D
Applicant: ETHYL CORP
Inventor: ECKE GEORGE G , SHEPHERD CHARLES C , KOLKA ALFRED J
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公开(公告)号:CA545685A
公开(公告)日:1957-09-03
申请号:CA545685D
Applicant: ETHYL CORP
Inventor: KOLKA ALFRED J , KROHN IVAR T
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公开(公告)号:CA518490A
公开(公告)日:1955-11-15
申请号:CA518490D
Applicant: ETHYL CORP
Inventor: DEWAYNE REX , KOLKA ALFRED J , LIGETT WALDO B
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公开(公告)号:CA692695A
公开(公告)日:1964-08-18
申请号:CA692695D
Applicant: ETHYL CORP
Inventor: KOLKA ALFRED J , ECKE GEORGE G
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公开(公告)号:CA650598A
公开(公告)日:1962-10-16
申请号:CA650598D
Applicant: ETHYL CORP
Inventor: KOLKA ALFRED J , ECKE GEORGE G
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