40 Principles > Editions
by Genrich Altshuller First published December 1st 1997
Published April 15th 2005
by Technical Innovation Center, Inc.
Paperback, 144 pages
Published January 24th 1998
by Technical Innovation Center, INC.
1, Paperback, 141 pages
Published
by Technical Innovation Ctr
Paperback, 0 pages
Published April 21st 2021
by Technical Innovation Center, Inc.
Kindle Edition, 0 pages
Published
by technical innovation center, inc.; 1 edition (january 24, 1998)
Paperback, 0 pages
Published
by Technical Innovation Center, INC.
Mass Market Paperback, 0 pages

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