-
11.
公开(公告)号:CA560784A
公开(公告)日:1958-07-22
申请号:CA560784D
Applicant: SHELL DEV
Inventor: SHOKAL EDWARD C , DEVLIN PAUL A
-
公开(公告)号:CA558721A
公开(公告)日:1958-06-10
申请号:CA558721D
Applicant: SHELL DEV
Inventor: DEVLIN PAUL A , SHOKAL EDWARD C , WINKLER DE LOSS E
-
公开(公告)号:CA526339A
公开(公告)日:1956-06-12
申请号:CA526339D
Applicant: SHELL DEV
Inventor: WINKLER DELOSS E , SHOKAL EDWARD C , DEVLIN PAUL A
-
-