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公开(公告)号:CA378572A
公开(公告)日:1938-12-27
申请号:CA378572D
Applicant: SHELL DEV
Inventor: ROSENSTEIN LUDWIG , CARRIERE JOHN G
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公开(公告)号:CA382959A
公开(公告)日:1939-07-25
申请号:CA382959D
Applicant: SHELL DEV
Inventor: HUND WALTER J , ROSENSTEIN LUDWIG
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公开(公告)号:CA370220A
公开(公告)日:1937-11-30
申请号:CA370220D
Applicant: SHELL DEV
Inventor: ROSENSTEIN LUDWIG , KRAMER GUSTAV A
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