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发明名称
Roentgen meter
摘要
申请公布号
US2022117(A)
申请公布日期
1935.11.26
申请号
US19330649795
申请日期
1933.01.03
申请人
CALIFORNIA INSTITUTE OF TECHNOLOGY
发明人
LAURITSEN CHARLES C.
分类号
H01J47/04
主分类号
H01J47/04
代理机构
代理人
主权项
地址
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