DIN 85003-8-1999《船用阀门交货技术条件;第8部分:球阀》
The document contains sets the selection to DIN 85003-2 of requirements and tests they are mainly for ball valves will apply trade- and naval shipbuilding.
The document contains sets the selection to DIN 85003-2 of requirements and tests they are mainly for ball valves will apply trade- and naval shipbuilding.