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公开(公告)号:US3414486A
公开(公告)日:1968-12-03
申请号:US52842966
申请日:1966-02-18
Applicant: ESB INC
Inventor: NORDBLOM GEORGE F , BODAMER GEORGE W
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公开(公告)号:CA841587A
公开(公告)日:1970-05-12
申请号:CA841587D
Applicant: ESB INC
Inventor: NORDBLOM GEORGE F , BODAMER GEORGE W
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