电子设备用可变电容器空白详细规范
Blank detail specifications for variable capcitorsnin electonic equipments
Blank detail specifications for variable capcitorsnin electonic equipments
Test methods for the properties of piezoelectric ceramicsTest methods for temperature characteristics of relative free dielectric constants
Blank detail specification for Variable tuning capacitors Type A fitted with integral preset capacitors Type C in electronic equipments
Test methods for the properties of piezoelectric ceramicsQuasi-static test for piezoclectric strain constant d33
Radio-frequeney conneetors Part 10 :Sectional specification-SMB series R, F, coaxial connectors
Test method for dielectric tangent of loss angle of pyroelectric materials
Test method for pyroelectric coefficient of pyroelectrie materials
Test method for resistivity and Hall coefficient in InSb single crystals
Test method for extinction ratio of optical crystal