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发明名称
POTENTIAL ALPHA RAY ACTIVITY METER
摘要
申请公布号
US3555278(A)
申请公布日期
1971.01.12
申请号
USD3555278
申请日期
1968.12.18
申请人
GERALD L. SCHROEDER
发明人
GERALD L. SCHROEDER
分类号
G01T7/04;(IPC1-7):G01T1/16;G01T1/20
主分类号
G01T7/04
代理机构
代理人
主权项
地址
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