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公开(公告)号:US3498039A
公开(公告)日:1970-03-03
申请号:US3498039D
申请日:1968-07-29
Applicant: LEESONA CORP
Inventor: KENT EDWARD L , WHITNEY WILLIAM R
CPC classification number: D01H13/188 , D01H13/145
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2.
公开(公告)号:US3539878A
公开(公告)日:1970-11-10
申请号:US3539878D
申请日:1967-03-03
Applicant: LEESONA CORP
Inventor: BELL CHARLES C , KENT EDWARD L , NIEDERER KURT W
CPC classification number: F15B21/08 , F15B21/00 , G05B19/06 , G05B19/063 , G05B19/44 , H01H43/125 , Y10T137/86445 , Y10T307/957
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