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公开(公告)号：US3007960A
公开(公告)日：1961-11-07
申请号：US77753358
申请日：1958-11-10
Applicant: PURDUE RESEARCH FOUNDATION
Inventor： HENRY FEUER , KOLLER CHARLES R
CPC classification number: C06B45/105 , C06B25/00
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