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经营范围
发明名称
Ultramicroscope à émission
摘要
申请公布号
FR890895(A)
申请公布日期
1944.02.21
申请号
FRD890895
申请日期
1943.02.12
申请人
LICENTIA PATENT-VERWALTUNGS-GESELLSCHAFT MIT BESCHRANKTER HAFTUNG
发明人
分类号
H01J37/285
主分类号
H01J37/285
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代理人
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地址
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