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发明名称
Cross-extrusion process
摘要
申请公布号
US2974790(A)
申请公布日期
1961.03.14
申请号
US19580707340
申请日期
1958.01.06
申请人
CURTISS-WRIGHT CORPORATION
发明人
MURPHY JOHN F.;STULEN WALTER
分类号
B21C23/08
主分类号
B21C23/08
代理机构
代理人
主权项
地址
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