For sure there is an equivalent in european standard. But it is not easy to remember the number unless you are always using it in everyday's work. For example BS EN 287 & 288 (welding and welder qualfication test) are now replaced by EN ISO 9606-1 and 15607 respectively. Your curriculum vitae submitted to employer should have indicated your past experiences. During the interview, your answers should be supported by your CV.
Bear in mind that some experience interviewer especially those agency doing a manpower supply will make you feel unconfortable by giving tricky questions. Their questions will depend on your body language. If you're too confident during the interview, the mentality is you will be hard to deal with in terms of salary negotiation...therefore the questions might be much tougher.