1979–80 Segunda División B
The 1979–80 Segunda División B was the 3rd season of Segunda División B , the third highest level of the Spanish football league system , since its establishment in 1977 . 
<triplet> Segunda División B <subj> 3 <obj> sports league level <subj> Spanish football league system <obj> part of <subj> 1977 <obj> inception <triplet> Spanish football league system <subj> Segunda División B <obj> has part