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公开(公告)号：US1587075A
公开(公告)日：1926-06-01
申请号：US6395825
申请日：1925-10-21
Applicant: JACOBS FRANK W
Inventor： JACOBS FRANK W
IPC: E05C17/28
CPC classification number: E05C17/28 , Y10T292/305
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