9 Laboratory thermostats and laboratory refrigerating thermostats, namely, for technical purposes, for scientific use or for medical diagnostic purposes; Temperature regulators for liquid heating and refrigerating installations; Constant temperature incubators for laboratory use; Temperature regulators for liquid heating and refrigerating installations for medical purpose; all the aforesaid goods other than for pressure measuring systems, fill level measuring systems, household use, household heating systems, underfloor heating systems, mirror heating systems