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公开(公告)号:BR6804931D0
公开(公告)日:1973-01-04
申请号:BR20493168
申请日:1968-12-18
Applicant: STANDARD OIL CO OHIO
Inventor: GRASSELLI R , FRIEDRICH M , SHAW W , HARDMAN H
公开(公告)号:BR6804931D0
公开(公告)日:1973-01-04
申请号:BR20493168
申请日:1968-12-18
Applicant: STANDARD OIL CO OHIO
Inventor: GRASSELLI R , FRIEDRICH M , SHAW W , HARDMAN H