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公开(公告)号：US1382723A
公开(公告)日：1921-06-28
申请号：US31992319
申请日：1919-08-26
Applicant: JOHN A ROEBLINGS SONS COMPANY
Inventor： DUANE GREEN RICHARD
IPC: D07B1/06
CPC classification number: D07B1/0686 , D07B2201/2064 , D07B2801/24
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