Practical inventor's handbook
Greene, Orville
Practical inventor's handbook - New York: McGraw-Hill Book Company, 1979 - 246p.
0070243204
Library science
D 608(02) / L9
Practical inventor's handbook - New York: McGraw-Hill Book Company, 1979 - 246p.
0070243204
Library science
D 608(02) / L9