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公开(公告)号：US922352A
公开(公告)日：1909-05-18
申请号：US1908448429
申请日：1908-08-13
Applicant: SMITH EDWARD L , DAVIS OLIVER M
Inventor： SMITH EDWARD L , DAVIS OLIVER M
CPC classification number: E05C19/06 , Y10S292/21 , Y10T292/082
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公开(公告)号：US918019A
公开(公告)日：1909-04-13
申请号：US1906301938
申请日：1906-02-19
Applicant: DAVIS OLIVER M
Inventor： DAVIS OLIVER M
CPC classification number: E04H12/24
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