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经营范围
发明名称
Extrusion conveying apparatus
摘要
申请公布号
US2950815(A)
申请公布日期
1960.08.30
申请号
US19570698144
申请日期
1957.11.22
申请人
REYNOLDS METALS COMPANY
发明人
OBERG WILLIAM O.
分类号
B21C33/00
主分类号
B21C33/00
代理机构
代理人
主权项
地址
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