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发明名称
Apparatus for making composite metals
摘要
申请公布号
US2074296(A)
申请公布日期
1937.03.16
申请号
US19350026690
申请日期
1935.06.14
申请人
HENRY DISSTON AND SONS, INC.
发明人
ALLEN HENRY B.
分类号
B22D19/06
主分类号
B22D19/06
代理机构
代理人
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