000 | 00361nam a2200121Ia 4500 | ||
---|---|---|---|
008 | 190711s9999 xx 000 0 und d | ||
082 | _a744.422 U84 | ||
100 | _aU.S. DEPARTMENT OF COMMERCE | ||
245 | 0 | _aEXPERT SYSTEM FOR AUTOMATED DIGITIZING OF ENGINEERING DRAWINGS | |
260 |
_aWashington _bU.S.Dept. OF COMMERCE _c1986 |
||
300 | _a27X21 | ||
942 |
_cBK _2DDC |
||
999 |
_c22809 _d22809 |