00674cam a2200229 7i4500 0000008168 20080625090000.0 0 a20080516 12:29 080422 nyu 0827302207 (pbk) NM NM TS250 .Z56 1974 Zinngrabe, Claude J. Sheet metal hand processes Claude J. Zinngrabe, Fred W. Schumacher. Albany, N. Y.: Delmar Publishers, 1974. vi, 209p.: ill.; 26cm. Includes index Sheet-metal work Schumacher, Fred W. NM 0000007211 Book Open Shelf HQ Library