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公开(公告)号：US3374751A
公开(公告)日：1968-03-26
申请号：US46298265
申请日：1965-06-10
Applicant: WERNER MACHINERY COMPANY
Inventor： WERNER CHARLES R
IPC: A21B1/48
CPC classification number: A21B1/48
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公开(公告)号：US3144041A
公开(公告)日：1964-08-11
申请号：US72125758
申请日：1958-03-13
Applicant: WERNER MACHINERY COMPANY
Inventor： WERNER CHARLES R , CHARLES WERNER FRANK
IPC: A01J9/08
CPC classification number: A01J9/08 , Y10T137/4245 , Y10T137/6899
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