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公开(公告)号：US1441229A
公开(公告)日：1923-01-09
申请号：US34039019
申请日：1919-11-24
Applicant: PEERLESS DOOR CONTROL COMPANY
Inventor： LACEY PAUL H
IPC: E05F15/10
CPC classification number: E06B9/88 , E05F15/603 , E05Y2900/00 , E05Y2900/106
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公开(公告)号：US1411039A
公开(公告)日：1922-03-28
申请号：US23826518
申请日：1918-06-05
Applicant: PEERLESS DOOR CONTROL COMPANY
Inventor： LACEY PAUL H
CPC classification number: E05F15/41 , E05F15/622 , E05F15/652 , E05Y2400/502 , E05Y2800/404 , E05Y2900/132
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