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公开(公告)号：US1121736A
公开(公告)日：1914-12-22
申请号：US1914851300
申请日：1914-07-16
Applicant: ROEBLINGS JOHN A SONS CO
Inventor： LEE JAMES G , SUNDERLAND CHARLES C
CPC classification number: D03C1/14 , Y10T24/3907 , Y10T24/3909 , Y10T403/36 , Y10T403/368
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