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公开(公告)号:CA521392A
公开(公告)日:1956-01-31
申请号:CA521392D
Applicant: SHELL DEV
Inventor: ABRAMS STANLEY T , STROSS FRED T , PETERSON WALTER H
公开(公告)号:CA521392A
公开(公告)日:1956-01-31
申请号:CA521392D
Applicant: SHELL DEV
Inventor: ABRAMS STANLEY T , STROSS FRED T , PETERSON WALTER H