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KITLV Kleingrothe C.J. Medan Steam destillation boilers and condensers of the Batavian Petroleum Company at Pangkalan Brandan .tif nl Stoomdestilleerketels en condensoren van de Bataafse Petroleum Maatschappij te Pangkalanbrandan en Steam destillation boilers and condensers of the Batavian Petroleum Company at Pangkalan Brandan