Drafting standards : aluminum extruded products.

Bibliographic Details
Corporate Author:	Aluminum Association. Aluminum Extruded Products Division
Format:	Book
Language:	English
Published:	New York, [publisher not identified] ; [1949]
Edition:	1st ed.,
Subjects:	Mechanical drawing. Metals > Extrusion.

Description
Physical Description:	51 pages : illustrations ; 23 cm.