SJ 20222-1992.Potentiometers , Preset , wire wound,Lead-screw actuated ,Style WT24,Detail specificat...
SJ 20223-1992 50/125μm多模光纤详细规范
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...
SJ 20224-1992 印制线路板用阻燃型覆铜箔环氧玻璃布层压板详细规范
SJ 20224-1992.Detail specification for epoxide woven glass fabric copper-clad laminated sheets of fl...
SJ 20225-1993 低频群时延测量仪检定规程
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...
SJ 20226-1993 201/2型包络时延测量仪检定规程
SJ 20226-1993.Verification regulation of model 201/2 envelope delay measuring set. 1范围 1.1 主题内容 SJ 2...
SJ 20214-1992 螺杆驱动预调电位器详细规范
SJ 20214-1992.Potentiometers , Preset ,Lead-screw actuated , Detail specification for. 1范围 1.1主题内容 S...
SJ 20215-1992 WJ14型螺杆驱动非线绕预调电位器详细规范
SJ 20215-1992.Potentiometers , Preset , Nonwire wound,Lead-screw actuated ,Style WJ14,Detail specifi...
SJ 20219-1992 WT12型螺杆驱动线绕预调电位器详细规范
SJ 20219-1992.Potentiometers , Preset , wire-wound ,Lead-screw actuated ,Style WT12 ,Detail specific...
SJ 20220-1992 WT14型螺杆驱动线绕预调电位器详细规范
SJ 20220-1992.Potentiometers , Preset,wire-wound ,Lead-screw actuated ,Style WT14,Detail specificati...
SJ 20221-1992 WT22型螺杆驱动线绕预调电位器详细规范
SJ 20221-1992.Potentiometers ,Preset,wire-wound ,Lead-screw actuated ,Style WT22,Detail specificatio...
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