ANTENNA COUPLER HAVING FOCAL PROPERTIES FOR THE COLLIMATION AND TRANSFER OF HIGH FREQUENCY ELECTROMAGNETIC ENERGY
申请公布号:GB2032697(A)
申请号:GB19790033272
申请日期:1979.09.26
申请公布日期:1980.05.08
分类号:H01Q19/06;H01Q21/00;H01Q25/00;(IPC1-7):H01P5/12
主分类号:H01Q19/06
Welded pipe joint and method of making same
Tube de chauffage pour appareils-sécheurs multitubulaires
Perfectionnement aux appareils récepteurs de téléphotographie
Improvements in or relating to air pistols
An improved bottom bar for sun and like blinds
Improvements in and relating to magnetic cores for electrical induction apparatus
Improvements in stands for the display of goods
Improvements in and relating to furnace walls
Improvements in or relating to typographical line casting machines