00412nam a22001577a 4500 964 964 200102b ||||| |||| 00| 0 eng d 669.1 G8221 529 Gregory, Edwin. (The) Heat treatment of steel London Sir Isaac Pitman & Sons 1947 x,358p. 10.02 Steel 461 Simons, Eric N. BK 0 0 ddc 0 669_100000000000000_G8221 0 3246 CL CL 1952-10-22 A.H. Wheeler 669.1 G8221 00602 2020-01-02 BK 0 0 ddc 0 669_100000000000000_G8221 0 3247 CL CL 1952-10-22 A.H. Wheeler 669.1 G8221 00603 2020-01-02 BK