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发明名称
Process of preparing composite metal products
摘要
申请公布号
US2813332(A)
申请公布日期
1957.11.19
申请号
US19530374215
申请日期
1953.08.14
申请人
LUKENS STEEL COMPANY
发明人
JR. LOUIS K. KEAY,
分类号
B23K20/227
主分类号
B23K20/227
代理机构
代理人
主权项
地址
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