000 00518 a2200253 4500
001 28512
020 _a0
041 _aeng
080 _a669.15.781-194 Ame
245 _aBoron steel / edited by Ernest E. Thum
250 _a2nd rev. ed
260 _aCleveland
260 _bAmerican Society for Metals,
260 _c1953
300 _a114 p.
300 _c26 cm
490 _a
100 _aAmrican Society for Metals
700 _a
650 _a
650 _aBoron steel
942 _cBK
942 _2UDC
999 _c69541
_d69541