75787346
Aug 30, 1999
Jun 20, 2000
power driven water pump and pump impellers, namely, single phase submersible pumps three phase submersible pumps, automatic alarm block-free sewage submersible pumps, self-priming pumps, pipeline pumps, multistage pumps, magnetic drive pumps, shielded pumps, booster pumps, centrifugal pumps, pipeline-boosting pumps, hand operating pumps, hand press pumps, mini fountain pumps, single channel impellers, double channel impellers, vortex impellers, bronze impellers, stainless steel impellers, welded impeller of stainless steel, and plastic impellers
Machinery