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发明名称
Alloy
摘要
申请公布号
US1974970(A)
申请公布日期
1934.09.25
申请号
US19330685644
申请日期
1933.08.17
申请人
ALUMINUM COMPANY OF AMERICA
发明人
JR. JOSEPH A. NOCK,
分类号
C22C21/00
主分类号
C22C21/00
代理机构
代理人
主权项
地址
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