Sauer, Gale E. "Modular Wall Construction." U.S. Patent number 4018020. Washington DC: United States Patent and Trademark Office, 1977.
Sauer, Gale E. "Modular Wall Construction." U.S. Patent number 4018020. Washington DC: United States Patent and Trademark Office, 1977.
license
identifier
2000075469
created
2013-05-07T13:55:10
license
title
Sauer, Gale E. "Modular Wall C ...... nt and Trademark Office, 1977.
shortTitle
Sauer, Modular Wall Construction (1977)