1. Patent № 2458879 of the Russian Federation. IPC С04В24/24. Foaming agent for cellular concrete production / Lotov V. A., Sudarev E. A. // 22.02.2011 Stated. Publ. 20.08.2012. Bull. № 23.
2. Patent № 2467969 of the Russian Federation. IPC С04В22/08. Chemical additive for accelerating the hardening of cement / Lotov V. A., Sudarev E. A. // the Declared 03.03.2011. Publ. 27.11.2012. Bull. № 33.
|