1. How to make patent drawings :
Author: by Jack Lo and David Pressman.
Library: Center and Library of Islamic Studies in European Languages (Qom)
Subject: Patents-- United States, Drawings.,Patents.,TECHNOLOGY & ENGINEERING-- General.,United States., 7
Classification :
T223
.
U3
L6
2007eb
2. How to make patent drawings :
Author: Jack Lo and David Pressman
Library: Center and Library of Islamic Studies in European Languages (Qom)
Subject: Patents-- United States, Drawings
Classification :
T223
.
U3
L6
2011