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公开(公告)号:CA593638A
公开(公告)日:1960-03-01
申请号:CA593638D
Applicant: SHELL DEV
Inventor: WALLINGFORD HARLAN P , SHOKAL EDWARD C
公开(公告)号:CA593638A
公开(公告)日:1960-03-01
申请号:CA593638D
Applicant: SHELL DEV
Inventor: WALLINGFORD HARLAN P , SHOKAL EDWARD C