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发明名称
Apparatus for exploring for ore
摘要
申请公布号
US1826961(A)
申请公布日期
1931.10.13
申请号
US19280304449
申请日期
1928.09.07
申请人
SLICHTER LOUIS B
发明人
SLICHTER LOUIS B.
分类号
G01V3/22
主分类号
G01V3/22
代理机构
代理人
主权项
地址
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