Shaginian Aleksei

Environmental Engineer, Kamchatski Vodokanal Regional State Unitary Enterprise 3/1 Tsiolkovskogo Ave., 683009, Petropavlovsk-Kamchatski, Russian Federation, tel.: +7 (914) 783-31-68, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

• Improved design of the head of a blowing production well