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公开(公告)号:US3203045A
公开(公告)日:1965-08-31
申请号:US26551063
申请日:1963-03-15
Applicant: MANNESMANN AG
Inventor: GERHARD NAESER , OTTO WESSEL , HELMUT ERN
公开(公告)号:US3203045A
公开(公告)日:1965-08-31
申请号:US26551063
申请日:1963-03-15
Applicant: MANNESMANN AG
Inventor: GERHARD NAESER , OTTO WESSEL , HELMUT ERN