
SPECIFICATION FOR STEEL PIPE FLANGES (NOMINAL SIZES 1/2 IN TO 24 IN) FOR THE PETROLEUM INDUSTRY - METRIC DIMENSIONS
出版:British Standards Institution

專家解讀視頻
SPECIFICATION FOR STEEL PIPE FLANGES (NOMINAL SIZES 1/2 IN TO 24 IN) FOR THE PETROLEUM INDUSTRY - METRIC DIMENSIONS
出版:British Standards Institution
專家解讀視頻