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发明名称
Alpha particle counter
摘要
申请公布号
US2670441(A)
申请公布日期
1954.02.23
申请号
US19490114303
申请日期
1949.09.07
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
MCKAY KENNETH G.
分类号
G01T1/24;H01L31/00
主分类号
G01T1/24
代理机构
代理人
主权项
地址
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