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轻小型起重机电控设备
Light small crane electric controlgear
参考页数:15P.;A4
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家用和类似用途电自动控制器 电磁四通换向阀
Automatic electrical controls for household or similar use.4-way solenoid reversing valve
参考页数:28P.;A4
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机械仪表用游丝
Hairsprings for mechanical instruments
参考页数:18P.;A4
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小型全封闭制冷电动机 压缩机用电流式起动继电器
Minitype all-closed electrical current-starting relays for refrigeration motor-compressors
参考页数:18P.;A4
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小型全封闭制冷电动机压缩机用正温度系数热敏电阻起动继电器
Minitype all-closed PTC heat sensing resistance starting relays for refrigeration motor-compressors
参考页数:19P.;A4
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小型全封闭制冷电动机 压缩机用热保护器
Minitype all-closed thermal protectors for refrigeration motor-compressors
参考页数:18P.;A4
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船用机电式控制电路电器
Electromechanical control circuit devices in ships
参考页数:28P.;A4
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真空接触器截止电流测试方法
Test method of cut-off current of vacuum contactor
参考页数:10P;A4
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船用交流起货绞车控制箱
Switchgear cubicles for AC cargo winches in ships
参考页数:15P;A4
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船用组合开关
Rotary switch for ship
参考页数:18P.;A4
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