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经营范围
发明名称
Extruding apparatus
摘要
申请公布号
US2912886(A)
申请公布日期
1959.11.17
申请号
US19570654277
申请日期
1957.04.22
申请人
AMERICAN SCREW COMPANY
发明人
SMITH IAN A.
分类号
B21C25/02;B21J5/02;B21J13/02;B21K5/00;B21K5/06
主分类号
B21C25/02
代理机构
代理人
主权项
地址
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