000 00289pam a2200121a 44500
010 _a60011952
082 _a744.422
_bB466S
100 _aBetterley, Melvin L.
245 1 _aSHEET METAL DRAFTING
260 _a
_bMcgraw-Hill Book Company, Inc.
_c1961
964 _gCIRC
997 _a74543 C
999 _c409830
_d409830