旋启式止回阀美标型3i
n-H44H-900LB全套CAD图纸 3in-H44H-900LB-00.dwg(129KB)，3in-H44H-900LB-01.dwg(147.69KB)，3in-H44H-900LB-02.dwg(99.09KB)，3in-H44H-900LB-03.dwg(109.31KB)，3in-H44H-900LB-04.dwg(110.78KB)，3in-H44H-900LB-05.dwg(112.31KB)，3in-H44H-900LB-06.dwg(92.59KB)，3in-H44H-900LB-07.dwg(117.53KB)