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发明名称
Schaltung zur Erzielung einer veraenderlichen Steilheit einer Elektronenroehre
摘要
申请公布号
DE747044(C)
申请公布日期
1944.09.04
申请号
DE1939N042813D
申请日期
1939.01.06
申请人
PHILIPS PATENTVERWALTUNG G.M.B.H.
发明人
JONKER JOHAN LODEWIJK HENDRIK
分类号
H03G3/16
主分类号
H03G3/16
代理机构
代理人
主权项
地址
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