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经营范围
发明名称
EXTRUSION PROCESS
摘要
申请公布号
US3553995(A)
申请公布日期
1971.01.12
申请号
USD3553995
申请日期
1968.01.30
申请人
ST. JOSEPH LEAD CO.
发明人
ROBERT J. FIORENTINO;JOHN M. CIGAN;ALVIN M. SABROFF;RICHARD L. JENTGEN
分类号
B21C23/32;B21C25/02;(IPC1-7):B21C23/32
主分类号
B21C23/32
代理机构
代理人
主权项
地址
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