brussels european union set agree monday ban business tie north korea part new package sanction isolate pyongyang nuclear missile program practical impact move likely mostly symbolic brussels impose oil embargo ban eu investment sell crude north korea european company substantial investments north korean workers eu brussels estimate 400 mainly poland face low limit amount money send home work visa renew expire measure agree eu foreign minister luxembourg go late round multi-lateral sanction impose unite nations security council north koreans appear uninterested eu get involve peace mediator say eu diplomat north koreans want direct talk unite state president donald trump rule diplomat say sanction add three top north korean officials six businesses blacklist ban travel eu freeze assets take total sanction eu 41 individuals 10 company senior eu official say separately u.n. sanction target 63 people 53 company institutions place everything possibly could try get dprk change behavior eu official say use north korea official name democratic people republic korea although eu export crude north korea aim push countries ban oil export either unilaterally unite nations u.n. security council last month cap north korean import crude oil china russia resist outright ban diplomats say pyongyang launch missiles eu could consider impose sanction non-eu firm business pyongyang unite state do however secondary sanction need clear evidence avoid legal challenge bloc reluctant anger china top trade partner target chinese people firm eu ban business tie pyongyang nuclear test