Contacto
Ph.D. Natalia Petrovskaya
nataliapetrovsky@gmail.com
petrovskyn@yahoo.com
benefication@protonmail.ch
Email: petrovskaya@gmx.com
Telegram. Ph.D. Natalia Petrovskaya:
Username
@Ph_D_Natalia_Petrovskaya
Chat
https://t.me/Ph_D_Natalia_Petrovskaya
Group
Beneficiation. Concentration. Separation. Enrichment.
https://t.me/joinchat/JjK8bhGpTIUsvO1qikJqMw
Chanels
Ph.D. Natalia Petrovskaya
https://t.me/benefication
Beneficiation. Concentration. Separation. Enrichment.
https://t.me/minerals_benefication
Ph.D. Igor Bobin
Email: mineral.modeling@protonmail.com
igor.bobin@gmx.com
bobin.igor@yahoo.com
Username
@Ph_D_Igor_Bobin
Chat
https://t.me/Ph_D_Igor_Bobin
Chanel
MINERAL MODELING https://t.me/mineral_modeling
Groups
HOLLYWOOD and MINING https://t.me/joinchat/JuTCCQ23W5uk3uapS6zycQ
MINERAL MODELING https://t.me/joinchat/JuTCCRHN_o7zhE6HM9H-8w