
PREN 50379-1 - SPECIFICATION FOR PORTABLE ELECTRICAL APPARATUS DESIGNED TO MEASURE COMBUSTION FLUE GAS PARAMETERS OF HEATING APPLIANCES - PART 1: GENERAL REQUIREMENTS AND TEST METHODS
出版:British Standards Institution

專家解讀視頻
PREN 50379-1 - SPECIFICATION FOR PORTABLE ELECTRICAL APPARATUS DESIGNED TO MEASURE COMBUSTION FLUE GAS PARAMETERS OF HEATING APPLIANCES - PART 1: GENERAL REQUIREMENTS AND TEST METHODS
出版:British Standards Institution
專家解讀視頻