Gas arc constriction for plasma arc welding
By: inventors, Daniel J. Rybicki, William F. McGee.
Contributors: McGee, William F.; United States. National Aeronautics and Space Administration.
Series: NASA case -- no. MFS-28844-1.; NASA case -- MFS-28844-1.
Publisher: National Aeronautics and Space Administration
Published: 1993
Place of publication: [Washington, DC
Language: eng
Format: Microform
Subjects: Plasma arc welding.
Notes: Distributed to depository libraries in microfiche.

Shipping list no.: 93-1228-M.

Microfiche. [Washington, D.C. : National Aeronautics and Space Administration, 1993] 1 microfiche.