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公开(公告)号：US3115269A
公开(公告)日：1963-12-24
申请号：US15158061
申请日：1961-11-10
Applicant: ERNEST RASMUSSEN
Inventor： ERNEST RASMUSSEN
IPC: E05B65/00
CPC classification number: E05B65/0014 , Y10S292/65 , Y10T292/0901
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