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公开(公告)号:US3533846A
公开(公告)日:1970-10-13
申请号:US3533846D
申请日:1966-06-29
Applicant: LEESONA CORP
Inventor: ROGERS ARTHUR CARTER
公开(公告)号:US3533846A
公开(公告)日:1970-10-13
申请号:US3533846D
申请日:1966-06-29
Applicant: LEESONA CORP
Inventor: ROGERS ARTHUR CARTER