000 00279nam a2200109Ia 4500
008 230219s9999 xx 000 0 und d
020 _a92-2-101893-8
245 0 _aPlumbing/Pipe Fitting Occupations 6
260 _bInternational Labour Organisation
260 _c1978
300 _a120
999 _c3850
_d3850