Standard Specification for Liquid and Paste Fluxes for Soldering of Copper and Copper Alloy Tube1 This standard is issued under…
![](https://civileng.co/wp-content/uploads/2020/11/Astm-B-813-–-00e1-Pdf-free-download.png)
Standard Specification for Liquid and Paste Fluxes for Soldering of Copper and Copper Alloy Tube1 This standard is issued under…