02/203343 DC : DRAFT FEB 2002被替代
PREN 50379-3 - SPECIFICATION FOR PORTABLE ELECTRICAL APPARATUS DESIGNED TO MEASURE COMBUSTION FLUE GAS PARAMETERS OF HEATING APPLIANCES - PART 3: PERFORMANCE REQUIREMENTS FOR APPARATUS USED IN NON-STATUTORY SERVICING OF GAS FIRED HEATING APPLIANCES
出版：British Standards Institution
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