000 | 004370000a22001690004500 | ||
---|---|---|---|
008 | 160902b1970 xxu||||| |||| 00| 0 eng d | ||
041 | _aeng | ||
080 |
_a624.012.4 _bPOR |
||
942 |
_cPM _2udc |
||
245 | _a[concrete information] Removing stains from concrete | ||
260 | _bPortland Cement Association | ||
260 | _aSkokie | ||
260 | _c1970 | ||
300 | _a6p. | ||
650 | _aCONCRETE-Stains-Removal | ||
999 |
_c22321 _d22321 |