Complex sentence: More than 135 Soviet organizations (20 design bureaus, 35 research institutes, 80 works) participated in designing and construction of completelly new type of submarine in 1952-1958, chief designer was V.N. Peregudov and research supervisor was academician Anatoly Alexandrov.
Split into simpler sentences: More than 135 Soviet organizations (20 design bureaus, 35 research institutes, 80 works) participated in the design and construction of this completely new type of submarine in 1952-1958. The chief designer was V.N. Peregudov and the research supervisor was academician Anatoly Alexandrov.