SMACNA., Sheet Metal and Air Conditioning Contractors'National Association The managers'guide for welding / SMACNA, Sheet Metal and Air Conditioning Contractors'National Association

The managers'guide for welding / SMACNA, Sheet Metal and Air Conditioning Contractors'National Association . - 2nd ed . - Chantilly, VA : SMACNA, 1993 . - IX, 104 p., pag. var. : il. 28 cm
628.8