000 00294nam a2200121Ia 4500
008 161118s2016 xx 000 0 und d
082 _a621 C7D2
100 _aCalvin, F. H.
245 0 _aDrilling and Surfacing Practice
260 _bMcGraw Hill Book Co.
_c1948
300 _a504p.
942 _2ddc
999 _c1642
_d1642