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发明名称
DUPLEX METAL ARTICLE
摘要
申请公布号
CA373910(A)
申请公布日期
1938.05.24
申请号
CAD373910
申请日期
申请人
THE ALUMINUM COMPANY OF AMERICA
发明人
JOSEPH ANTHONY NOCK, JR.
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主分类号
代理机构
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