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发明名称
ULTRASONIC APPARATUS FOR ELECTRON MICROSCOPE
摘要
申请公布号
US3535515(A)
申请公布日期
1970.10.20
申请号
USD3535515
申请日期
1967.06.14
申请人
NAVY USA
发明人
VERNON O. JONES;BERTWIN LANGENECKER
分类号
H01J37/20;(IPC1-7):H01J37/20
主分类号
H01J37/20
代理机构
代理人
主权项
地址
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