Replacement casement hinge hardware

A quick learner says:
I have attached images showing the parts. The arm coming from the crank has L30841 stamped on it, and the other bottom arm has 31229 (these can be seen in picture). I am assuming I need to replace more than just the brackets? Help with identification of the parts and best option for fixing would be greatly appreciated!
Thank you,
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Tom from SWISCO responded:

Thanks for posting! I would start with the hinges, which may have been the original culprit for the sash falling out. See our 36-048, I think this would be a good match. As for the bent brackets, see our 39-560 and 39-561. I'm not sure if you need new operators or not. Yours seem to be unbent, but I could be missing something. If you do need new operators, see our 39-035 and 39-036. These look like a more modern version of your old part.

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