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公开(公告)号：US3162472A
公开(公告)日：1964-12-22
申请号：US28336563
申请日：1963-05-27
Applicant: RYLOCK COMPANY LTD
Inventor： RUST DAVID J
IPC: E05B65/08
CPC classification number: E05B65/0811 , Y10S292/46 , Y10T292/0918
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