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26-08-22
EU Warns These CE Certificates Are Forged! To identify the authenticity of the mask certificate, see here _ authentication
EU Warns These CE Certificates Are Forged! To identify the authenticity of the mask certificate, see here _ authentication EU Warns These CE Certificates…

Original Title: EU Warns These CE Certificates Are Forged! Identify the authenticity of the mask certificate. Look here. Not long after the FDA certificate was named, the CE certificate came again! EU: These CE Certificates May Be Invalid, 21…

Original Title: EU Warns These CE Certificates Are Forged! Identify…

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Albacete
26-08-22
Design and Construction Organization Plan of Lightning Protection Engineering (I) _ Grounding
Design and Construction Organization Plan of Lightning Protection Engineering (I) _ Grounding Design and Construction…

Original Title: Lightning Protection Engineering Design and Construction Organization Plan (I) The lightning protection project needs to be implemented in an organized and step-by-step manner to ensure the quality and duration of the project. Today, Junhe…

Original Title: Lightning Protection Engineering Design and…

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Alicante
26-08-22
Design and Construction Organization Plan of Lightning Protection Engineering (I) _ Grounding
Design and Construction Organization Plan of Lightning Protection Engineering (I) _ Grounding Design and Construction…

Original Title: Lightning Protection Engineering Design and Construction Organization Plan (I) The lightning protection project needs to be implemented in an organized and step-by-step manner to ensure the quality and duration of the project. Today, Junhe…

Original Title: Lightning Protection Engineering Design and…

Gratis
Albacete
26-08-22
What are the guard column and the in-line filter for liquid chromatography? How to use it? _ Impurities
What are the guard column and the in-line filter for liquid chromatography? How to use it? _ Impurities What are the guard column and…

Original title: What are the guard column and online filter of liquid chromatography? How to use it? In the previous video of ChromClass, we mentioned the protective column and online filter of liquid chromatography. At that time, some students were very…

Original title: What are the guard column and online filter of liquid…

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Albacete
26-08-22
Method and Electrical Wire Connection Method
Method and Electrical Wire Connection Method Method and Electrical Wire…

 First, cross the core wire ends of the two conductors in an X shape, then wind them for 2 to 3 circles, straighten the two wire ends, and then wind each wire end tightly on the other core wire for 5 to 6 circles, and then cut off the redundant wire ends.…

 First, cross the core wire ends of the two conductors in an X shape,…

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Badajoz