Decree No. 28 / 1990 Coll.

Ordinance of the Federal Ministry of Steel, Engineering and Electrical Engineering amending and supplementing Decree No. 135 / 1964 Coll., issuing the basic conditions for the supply of engineering products, as amended by Decree No. 57 / 1972 Coll. and Decree No. 107 / 1981 Coll.