
PIPE THREADS WHERE PRESSURE-TIGHT JOINTS ARE NOT MADE ON THE THREADS - PART 1: DIMENSIONS, TOLERANCES AND DESIGNATION
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
PIPE THREADS WHERE PRESSURE-TIGHT JOINTS ARE NOT MADE ON THE THREADS - PART 1: DIMENSIONS, TOLERANCES AND DESIGNATION
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频