Add this copy of 40 Principles: Triz Keys to Technical Innovation to cart. $72.31, new condition, Sold by Just one more Chapter rated 4.0 out of 5 stars, ships from Miramar, FL, UNITED STATES, published 1998 by Technical Innovation Center, I.
Add this copy of 40 Principles: Triz Keys to Technical Innovation to cart. $72.79, good condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Santa Clarita, CA, UNITED STATES, published 1998 by Technical Innovation Center, I.
Add this copy of 40 Principles: Triz Keys to Technical Innovation to cart. $99.59, new condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Santa Clarita, CA, UNITED STATES, published 1998 by Technical Innovation Center, I.
