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公开(公告)号：US2272958A
公开(公告)日：1942-02-10
申请号：US23940138
申请日：1938-11-07
Applicant: AMERICAN CREOSOTING COMPANY IN
Inventor： WIESE GEORGE F
CPC classification number: B66C23/50 , B66C23/36 , B66C2700/0364
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