how to trim and render multiple sequences in premiere
I would honestly probably just punch in the range settings for each of the renders separately in Adobe Media Encoder.  It's likely the easiest way to go about it.  It's not that long or hard of a process to punch in start and end times for 30 clips.

The only other remote possibility (I don't think it will work though) would be to see if you can make a preset for the times to be rendered.  You could then apply that preset, but I don't think that information can be stored in a preset. (I don't have Adobe Media Encoder in front of me at the moment.)