SJ 20222-1992.Potentiometers , Preset , wire wound,Lead-screw actuated ,Style WT24,Detail specification for.1范围1.1主题内容SJ 20222规定了WT24型螺杆驱动线绕预调电...
SJ 20223-1992.Multimode fiber ,Optical,50/125μm ,Detail specification for.1范围1.1主题内容SJ 20223规定了50/125μm 多模光纤的技术要求和质量保证规定,本规范...
SJ 20224-1992.Detail specification for epoxide woven glass fabric copper-clad laminated sheets of flammability resistance for printed wiring boards.SJ 20224所规定的印制线路板...
SJ 20225-1993.Verification regulation of LF group delay measuring set.1范围1.1主题内容SJ 20225规程规定了低频群时延测量仪的检定条件.检定项目、检定方法检...
SJ 20226-1993.Verification regulation of model 201/2 envelope delay measuring set.1范围1.1 主题内容SJ 20226规程规定了201/2型包络时延测量仪的检定条件、检定项...
SJ 20214-1992.Potentiometers , Preset ,Lead-screw actuated , Detail specification for.1范围1.1主题内容SJ 20214规定了WJ12型螺杆驱动非线绕预调电位器的详细要求...
SJ 20215-1992.Potentiometers , Preset , Nonwire wound,Lead-screw actuated ,Style WJ14,Detail specification for.1范围1.1主题内容SJ 20215规定了WJ14型螺杆驱动非线绕预调...
SJ 20219-1992.Potentiometers , Preset , wire-wound ,Lead-screw actuated ,Style WT12 ,Detail specification for.1范围1.1主题内容SJ 20219规定了WT12型螺杆驱动线绕预调电...
SJ 20220-1992.Potentiometers , Preset,wire-wound ,Lead-screw actuated ,Style WT14,Detail specification for.1范围1.1主题内容SJ 20220规定了WT14型螺杆驱动线绕预调电位...
SJ 20221-1992.Potentiometers ,Preset,wire-wound ,Lead-screw actuated ,Style WT22,Detail specification for.1范围1.1主题内容SJ 20221规定了WT22型螺杆驱动线绕预调电位...