6
Metallic connectors for pipes and pipe linings; metallic apparatus for connecting pipelines, namely, metallic couplings, connectors and joints for connecting pipelines; metallic apparatus for connecting pipe linings, namely, metallic couplings, connectors and joints for connecting pipe linings; lined pipelines of metal; metallic frits being items of metal hardware; parts and fitting especially adapted for all the aforesaid goods
17
Non-metallic pipe linings; polymer pipe linings; non-metallic connectors for pipes and pipe linings; non-metallic apparatus for connecting pipelines, namely, non-metallic couplings, connectors and joints for connecting pipelines; non-metallic apparatus for connecting pipe linings, namely, non-metallic couplings, connectors and joints for connecting pipe linings; parts and fitting especially adapted for all the aforesaid goods
37
Services for the lining of pipes; installation of linings in pipelines; pipeline construction; repair and maintenance of pipelines and linings for pipes; construction, repair, installation and maintenance information, advisory and consultancy services relating to all the aforesaid
40
Welding services
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