Blow off {HEAD ~ device} for limiting {TAIL ~ excess pressure} in nuclear power plants, especially of the boiling water reactor type 
Blow off { HEAD ~ device } for limiting { TAIL ~ excess pressure } in nuclear power plants , especially of the boiling water reactor type
OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH