Patent AT-E401517-T1: [Translated] SHUT-OFF VALVE
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The invention relates to a shut-off fitting comprising a housing which is connected to an adjacent pipeline in a pressure tight manner, the diameter of said pipeline...
本发明涉及一种截止管件,其包含以压力密封方式与相邻管路相连的壳体,所述管路的直径……



