000 | 00529 a2200253 4500 | ||
---|---|---|---|
001 | 99157 | ||
020 | _a6 | ||
041 | _aeng | ||
080 | _a614.894 Des:61 | ||
245 | _aDesign and use of respirators : proceedings, Porton, 5-6 July, 1961 / edited by C.N. Davies | ||
250 | _a | ||
260 | _aOxford | ||
260 | _bPergamon Press, | ||
260 | _c1962 | ||
300 | _axii,181 p. | ||
300 | _c23 cm | ||
490 | _a | ||
100 | _a | ||
700 | _a | ||
650 | _a | ||
650 | _aRespirators-Congresses | ||
942 | _cBK | ||
942 | _2UDC | ||
999 |
_c57688 _d57688 |