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经营范围
发明名称
Extruding apparatus
摘要
申请公布号
US2219888(A)
申请公布日期
1940.10.29
申请号
US19380230029
申请日期
1938.09.15
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
DUCLOS AENEAS J. N.
分类号
B21C29/00
主分类号
B21C29/00
代理机构
代理人
主权项
地址
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