000 00241nam a22001097a 4500
082 _a671.823 MEY'S
100 _aMAYER, LEO A
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245 _aSHEET METAL LAYOUT
260 _aNEWYORK
_bMCGRAW HILL
_c1961
300 _a188P
942 _cBK
999 _c567239
_d567239