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发明名称
Determining the identities of pieces of different steels
摘要
申请公布号
US2262778(A)
申请公布日期
1941.11.18
申请号
US19390263058
申请日期
1939.03.20
申请人
THE AMERICAN STEEL AND WIRE COMPANY OF NEW JERSEY
发明人
SCHNEIDER HERBERT H.
分类号
G01N33/20
主分类号
G01N33/20
代理机构
代理人
主权项
地址
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