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经营范围
发明名称
Electron diffraction camera
摘要
申请公布号
US2435386(A)
申请公布日期
1948.02.03
申请号
US19460686692
申请日期
1946.07.27
申请人
RADIO CORPORATION
发明人
DAVIDSON NORMAN R.
分类号
H01J37/295
主分类号
H01J37/295
代理机构
代理人
主权项
地址
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