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IEC TR 60668-1980 Dimensions of panel areas and cut-outs for panel and rack-mounted industrial-process measurement and control instruments《盘装和架装工业过程测量和控制仪器的盘面和开孔尺寸》.pdf

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IEC TR 60668-1980 Dimensions of panel areas and cut-outs for panel and rack-mounted industrial-process measurement and control instruments《盘装和架装工业过程测量和控制仪器的盘面和开孔尺寸》.pdf_第1页
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IEC TR 60668-1980 Dimensions of panel areas and cut-outs for panel and rack-mounted industrial-process measurement and control instruments《盘装和架装工业过程测量和控制仪器的盘面和开孔尺寸》.pdf_第2页
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IEC TR 60668-1980 Dimensions of panel areas and cut-outs for panel and rack-mounted industrial-process measurement and control instruments《盘装和架装工业过程测量和控制仪器的盘面和开孔尺寸》.pdf_第3页
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IEC TR 60668-1980 Dimensions of panel areas and cut-outs for panel and rack-mounted industrial-process measurement and control instruments《盘装和架装工业过程测量和控制仪器的盘面和开孔尺寸》.pdf_第4页
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IEC TR 60668-1980 Dimensions of panel areas and cut-outs for panel and rack-mounted industrial-process measurement and control instruments《盘装和架装工业过程测量和控制仪器的盘面和开孔尺寸》.pdf_第5页
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