
CONNECTIONS FOR PART-TURN VALVE ACTUATOR ATTACHMENT; DIMENSIONS OF DRIVING COMPONENTS AND FLANGES
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
CONNECTIONS FOR PART-TURN VALVE ACTUATOR ATTACHMENT; DIMENSIONS OF DRIVING COMPONENTS AND FLANGES
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻