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经营范围
发明名称
Process and product for covering a metallic article with an unworkable alloy
摘要
申请公布号
US1870081(A)
申请公布日期
1932.08.02
申请号
US19280305335
申请日期
1928.09.11
申请人
AMERICAN OPTICAL COMPANY
发明人
WRIGHTON WILLIAM J.
分类号
C25D5/50
主分类号
C25D5/50
代理机构
代理人
主权项
地址
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