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经营范围
发明名称
Molten metal sampling
摘要
申请公布号
US1979737(A)
申请公布日期
1934.11.06
申请号
US19340720850
申请日期
1934.04.16
申请人
FRANCIS CHARLES B
发明人
FRANCIS CHARLES B.
分类号
G01N1/12
主分类号
G01N1/12
代理机构
代理人
主权项
地址
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