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发明名称
ELECTRON BEAM INJECTOR AND FOCUSING MEANS SUITABLE FOR ELECTRON MICROSCOPE
摘要
申请公布号
US3614520(A)
申请公布日期
1971.10.19
申请号
USD3614520
申请日期
1968.09.12
申请人
FORGFLO CORP.
发明人
JOHN W. COLEMAN
分类号
H01J3/02;H01J37/063;H01J37/07;(IPC1-7):H01J29/58
主分类号
H01J3/02
代理机构
代理人
主权项
地址
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