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公开(公告)号：US2324175A
公开(公告)日：1943-07-13
申请号：US43606742
申请日：1942-03-25
Applicant: GLENN L MARTIN CO
Inventor： SIMMS ELDON E
IPC: F16B41/00
CPC classification number: F16B41/002 , Y10S411/999
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