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General information concerning patents for engineers /
by Sigmund L. Smith.

APA Citation

Smith, S. L. (1974). General information concerning patents for engineers. Tucson, Ariz.: Sturm and Smith.

MLA Citation

Smith, Sigmund L. General Information Concerning Patents for Engineers. Tucson, Ariz.: Sturm and Smith, 1974.

Warning: These citations may not always be complete (especially for serials).