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发明名称
EXTRUSION HEAD
摘要
申请公布号
US3579731(A)
申请公布日期
1971.05.25
申请号
USD3579731
申请日期
1969.01.21
申请人
ENTWISTLE CO.:THE
发明人
BERESFORD B. COOPER
分类号
B29C47/28;(IPC1-7):B29F3/04
主分类号
B29C47/28
代理机构
代理人
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