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pH测量. pH电极和pH组合电极用插头插座和屏蔽插头
pH measurement - Plug socket and plug shielded for pH electrodes and pH combination electrodes
参考页数：6P.;A4
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低压电气设备. 第5-55部分: 电气设备的选择和安装. 其他设备. 第551条: 低压发电机组. 与包括公共配电网在内的其他能源并联运行的发电机组的安装
Low-voltage electrical installations - Part 5-55: Selection and erection of electrical equipment - Other equipment - Clause 551: Low-voltage generating sets - Installation of generating sets for parallel operation with other energy sources including a public distribution network
参考页数：7P.;A4
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家用和类似一般用途电器耦合器 第2-1部分:缝纫机耦合器
Appliance couplers for household and similar general purposes - Part 2-1: Sewing machine couplers
参考页数：32P.;A4
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电气附件.软线组件和互连软线组件
Electrical accessories - Cord sets and interconnection cord sets
参考页数：22P.;A4
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电气附件. 家用和类似用途的电缆卷筒
Electrical accessories - Cable reels for household and similar purposes
参考页数：7P.;A4
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通信设备用电源分配单元(PDU)
Power distribution unit for telecommunications (PDU)
参考页数：18P.;A4
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TX3型不可重接直流同心插座
Concentric D.C. sockets,Type TX3
参考页数：
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GZS12-4-4型彩色显像管插座
Sockets for colour picture tubes,Type GZS12-4-4
参考页数：
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GZS12-4-3型彩色显像管插座
Sockets for colour picture tubes,Type GZS12-4-3
参考页数：
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GZS12-4-1型彩色显像管插座
Sockets for colour picture tubes,Type GZS12-4-1
参考页数：
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