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Pictured is a UK bayonet filler with a Euro adapter screwed into it. There are 4 different types now: bayonet, Acme, dish and Euro, so starting with a UK bayonet you need 3 adapters to cover all possibilities, for example the adapter set in this link:
http://www.lpgshop.co.uk/uk-bayonet...MIuubJj-aI3QIVLLftCh2V3wXsEAQYASABEgJM3_D_BwE
Yep. Hence shiny Spanish/ Portuguese adapter since leaving France.