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发明名称
Extrusion process and apparatus
摘要
申请公布号
US2167845(A)
申请公布日期
1939.08.01
申请号
US19370136764
申请日期
1937.04.14
申请人
WILLIAM KLOCKE
发明人
KLOCKE WILLIAM
分类号
B21C23/21
主分类号
B21C23/21
代理机构
代理人
主权项
地址
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