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发明名称
Material working method and apparatus
摘要
申请公布号
US3315513(A)
申请公布日期
1967.04.25
申请号
US19640337922
申请日期
1964.01.15
申请人
WESTINGHOUSE ELECTRIC CORPORATION
发明人
ELLENBURG GEORGE W.
分类号
B21D51/00;C21D7/12
主分类号
B21D51/00
代理机构
代理人
主权项
地址
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