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经营范围
发明名称
Phase modulator
摘要
申请公布号
US3159801(A)
申请公布日期
1964.12.01
申请号
US19610089467
申请日期
1961.02.15
申请人
SYLVANIA ELECTRIC PRODUCTS, INC.
发明人
WIEDEMANN WARREN C.
分类号
H03C3/22
主分类号
H03C3/22
代理机构
代理人
主权项
地址
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