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公开(公告)号：US2390984A
公开(公告)日：1945-12-18
申请号：US50654143
申请日：1943-10-16
Applicant: H B IVES COMPANY
Inventor： HERMAN BLOSS
IPC: E05C3/04
CPC classification number: E05C3/04 , Y10T292/1068 , Y10T292/1092
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