Jarosław Czajka TLab Technika Laboratoryjna

33.13.Z - Repair and maintenance of electronic and optical equipment

33.14.Z - Repair and maintenance of electrical equipment

33.20.Z - Installation of industrial machinery and equipment and outfit

46.18.Z - Agents specialised in the sale of other particular products

46.19.Z - Agents involved in the sale of a variety of goods

47.78.Z - Other retail sale of new goods in specialised stores

47.91.Z - Retail sale via mail order houses or via Internet

47.99.Z - Other retail sale not in stores, stalls or markets

50.30.Z - Inland passenger water transport

71.20.A - Food quality testing and analysis

71.20.B - Other technical testing and analysis

72.19.Z - Other research and experimental development on natural sciences and engineering

96.09.Z - Other personal service activities not elsewhere classified