000 | 004170000a22001450004500 | ||
---|---|---|---|
027 |
_aBS 1747 : Pt. 1 : 1969 _q1969 |
||
041 | _aeng | ||
080 |
_a628.5:551.510.42:551.508.79 _b |
||
942 | _cSD | ||
110 | _aBRITISH STANDARDS INSTITUTION | ||
245 | _aBS 1747 : Pt. 1 : 1969 : methods for the measurement of air pollution : deposit gauges | ||
260 |
_aLondon _bB.S.I. _c1969 |
||
300 | _a15p. | ||
500 | _aSTD476 | ||
999 |
_c24772 _d24772 |