Durst M700 neg masks

I'm a little ashamed to ask this because I should really know it ... but since I can neither remember nor find clear information on the web, I'm hoping that someone reading this can tell me which negative masks go into the Durst M700?

Is it the Bimena series (same that fits into the M800)? Would anyone have an idea where I might find 6x7 and 6x9 masks?

Thanks in advance for any help.

No. It seems to be the series "Aumet".

OK, so after 8 months, I've finally found out. Now, I wonder if anyone knows where I can find these masks?

Thanks,

Christopher

Try: www.northernphoto.co.uk

Hans