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Chain trencher, i.e bucket-type excavator for digging wider telecommunication, gas, sanitation trenches in rural areas, has chain mechanism to make controllable movement when attaching with tractor, and excavated materials can be removed by conveyor belt reversible either on right or on left side 2023-10-19
Feed for reducing the risk of deadly infections caused by white spot syndromevirus in penaeid shrimps, comprises nano-formulation, which is synthesized from a traditional medicinal herb 2023-10-16
Pressure test valve for use as fitting of compressed-air brake system of e.g. heavy lorry, has plunger movable within cavity to enable opening and closing of valve and comprising flexible part within cavity providing reversible lock 2023-05-05