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simple TRIZ: problem solving for the invention of the principle engineers - Softcover

(MEI )WEI DE NA SI DUN BO TAN RUN HUA DENG YI

 
9787111316077: simple TRIZ: problem solving for the invention of the principle engineers
Softcover
ISBN 10: 711131607X ISBN 13: 9787111316077
Publisher: Machine Press Pub. Date :2010-11-01, 1991
Publisher
Machine Press Pub. Date :2010-11-01
Publication date
1991
ISBN 10 
711131607X
ISBN 13 
9787111316077
Binding
Paperback