Here is a 90 minute Snatch technique instruction video featuring 4 Russian masters of sports.
Most prominent is Dmitry Berestov. He along with Aleksandr Zakharov, AleksandrKrasnov (56kg) , Dmitriev(?) go through every minute detail of the Snatch.
Maybe we can get a time stamped translation /summary going.
Snatch Technique Instruction with Dmitry Berestov is a post by Gregor from All Things Gym.