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公开(公告)号：US2994214A
公开(公告)日：1961-08-01
申请号：US7550260
申请日：1960-12-13
Applicant: CHADBOURN GOTHAM INC
Inventor： WOOD JR DAVID A , PEASE HARRY H , MATTHEWS ROBERT M , SMITH RUFUS K
IPC: D04B1/26
CPC classification number: D04B1/26
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