NF A89-540*NF EN ISO 17637:2017
Non-destructive testing of welds - Visual testing of fusion-welded joints
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- NF A89-540*NF EN ISO 17637:2017
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- NF A89-540*NF EN ISO 17637:2017
NF A89-540*NF EN ISO 17637:2017 history
- 1970 NF A89-540*NF EN ISO 17637:2017 Non-destructive testing of welds - Visual testing of fusion-welded joints
