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1.发明授权Apparatus for continuously moving a strand through an extruder at a constant speed 失效用于以恒定速度连续地将股线移动通过挤出机的装置
公开(公告)号：US3163372A
公开(公告)日：1964-12-29
申请号：US23328962
申请日：1962-10-26
Applicant: WESTERN ELECTRIC CO
Inventor： LAWRENCE GOLDMAN , WELLER HERBERT E
IPC: B21C23/26
CPC classification number: B21C23/26
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