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公开(公告)号：US3206022A
公开(公告)日：1965-09-14
申请号：US14417961
申请日：1961-10-10
Applicant: FMC CORP
Inventor： ROBERTS JR THOMAS E , HOUSTON ROBERT K , BLACKLEDGE VERNON O , BILLETT RONALD J
IPC: B07C5/342
CPC classification number: B07C5/342 , B65G2207/42 , Y10S209/912 , Y10S209/914 , Y10S209/925
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