Lugging it around wouldn't be a problem, but the recoil of both would likely bowl the Mindy over. According to wikipedia, the Rheinmetall Rh-202 has a recoil force of around 550β750 kg, and that thing is only a 20mm. Strap two together, and that's a combined recoil force of one metric ton.
It might be physically strong enough to handle it, but without good foot placement and bracing, the first few shots will be on target, while the rest will be AA fire. : P