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公开(公告)号:DE2220914A1
公开(公告)日:1973-01-11
申请号:DE2220914
申请日:1972-04-28
Applicant: ESB INC
Inventor: BILHORN JOHN MERLYN , BERGUM BERNARD CLARENCE , ANDERSON KENT V
公开(公告)号:DE2220914A1
公开(公告)日:1973-01-11
申请号:DE2220914
申请日:1972-04-28
Applicant: ESB INC
Inventor: BILHORN JOHN MERLYN , BERGUM BERNARD CLARENCE , ANDERSON KENT V