
INDUSTRIAL VALVES - TESTING OF METALLIC VALVES - PART 1: PRESSURE TESTS, TEST PROCEDURES AND ACCEPTANCE CRITERIA - MANDATORY REQUIREMENTS
出版:Comite Europeen de Normalisation

專家解讀視頻
INDUSTRIAL VALVES - TESTING OF METALLIC VALVES - PART 1: PRESSURE TESTS, TEST PROCEDURES AND ACCEPTANCE CRITERIA - MANDATORY REQUIREMENTS
出版:Comite Europeen de Normalisation
專家解讀視頻