Nothing new. And Russian arent first such type of the mines are used or developed in: Austria (HELKIR) Bulgary ( 4AHM-100) Poland (IMZR-11) USA (?) and now Russia (TEMP-20) Here is polish mine pdf: http://www.wzu.pl/ftp/Mina.pdf and here is good pdf about this style solution on world: http://www.google.pl/url?sa=t&rct=j...idEQ-T4aRB7pn7BneE0TnEA&bvm=bv.65397613,d.bGQ