Frommelt, Horace
Manufacturing processes-part 1, 2520A-1 / by Horace Frommelt - 1st - Pennsylvania Intext, Inc. 1987 - 107 p.
Manufacturing processes
670 / FRO
Manufacturing processes-part 1, 2520A-1 / by Horace Frommelt - 1st - Pennsylvania Intext, Inc. 1987 - 107 p.
Manufacturing processes
670 / FRO