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发明名称
Apparatus for extruding metal sheath or pipe
摘要
申请公布号
US2206977(A)
申请公布日期
1940.07.09
申请号
US19370175611
申请日期
1937.11.20
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
SEELEY GEORGE ALLEN
分类号
B21C29/04
主分类号
B21C29/04
代理机构
代理人
主权项
地址
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