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process for the production of acrylsaeurealkylestern by decarboxylieren of maleinsaeureanhydrid and and or a maleinsaeure or a low molecular weight alkanols fumarsaeurehalbesters
process for the production of acrylsaeurealkylestern by decarboxylieren of maleinsaeureanhydrid and and or a maleinsaeure or a low molecular weight alkanols fumarsaeurehalbesters