A picture of the new step-by-step process of building construction called "flow 640", which ensures optimal continuity of the individual professional parts of building construction.
Director:
Dec 31, 1950
Jan 1, 1952
Jan 1, 1949
May 6, 2015
Dec 31, 2019
Jun 24, 1997
May 29, 2022
Apr 13, 2010
Dec 20, 2023
Apr 25, 2014
Feb 28, 1926
Feb 4, 1977
Aug 21, 2015
Sep 8, 2003
Oct 17, 2014
Nov 1, 2011
