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公开(公告)号：US2455208A
公开(公告)日：1948-11-30
申请号：US417248
申请日：1948-01-24
Applicant: RUDOLPH WIRTH
Inventor： RUDOLPH WIRTH
IPC: E05B41/00
CPC classification number: E05B41/00 , Y10S40/907 , Y10T70/7955
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