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发明名称
Variable electrical condenser and method of manufacture
摘要
申请公布号
US2250329(A)
申请公布日期
1941.07.22
申请号
US19390290126
申请日期
1939.08.14
申请人
THE AMERICAN STEEL PACKAGE COMPANY
发明人
DUERK KARL A.
分类号
主分类号
代理机构
代理人
主权项
地址
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