Sliding glass door handles, double latching mechanism

A handy person from Canyon Lake, CA says:
Please help me identify the replacement parts (hopefully in white). Thank you
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Bob from SWISCO responded:

The missing mortise lock might be our 82-265, but look over the dimensions to see if you think it would fit. The handle set is our 82-090; if you want a keyed version, see the 82-087. For a new keeper, see the 82-249

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