Drafting for trades and industry mechanical and electronic
Nelson, John A
Drafting for trades and industry mechanical and electronic John A. Nelson. - Albany Delmar Publishers c1979 - 317 p. ill. 31 cm.
0827318464
Electronic drafting
Machinery--Drawings.
Mechanical drawing
Drafting for trades and industry mechanical and electronic John A. Nelson. - Albany Delmar Publishers c1979 - 317 p. ill. 31 cm.
0827318464
Electronic drafting
Machinery--Drawings.
Mechanical drawing