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经营范围
发明名称
SPOT TEST TO DIFFERENTIATE BETWEEN ALLOYS,90-10 COPPER-NICKEL AND 70-30 COPPER-NICKEL
摘要
申请公布号
US3436185(A)
申请公布日期
1969.04.01
申请号
USD3436185
申请日期
1966.07.20
申请人
NAVY USA
发明人
DAVID M. ZALL
分类号
G01N31/22;(IPC1-7):G01N31/22;G01N31/00
主分类号
G01N31/22
代理机构
代理人
主权项
地址
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