... as the drilling high-pressure air-water channel and grouting channel. Compared with the solid body, the hollow body design can obtain bett...
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Piston Rod Of JA-3 Relief Valve mud pumps for drilling rigs Piston Rod Of JA-3 Relief Valve, JA-3 Shear Relief Valve 3”-5000psi, which is popular used...
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..., waterproof materials, electric wire & cable, textile, net rope, non-woven fabrics etc, nonmetal materials and metallic , metal foil, steel ...
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... Tester With Factory Price Purpose: This Plastic Tensile Test machine is suitable for adhesive tape, rubber, plastic, sponge, waterproof ma...
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DC53 Hot Forged Cold Work Tool Steel Round Bar Specifications tool steel DC53 1. UT test grade: SEP 1921-84 Class C/c 2. Payment terms:TT/LC at sight ...
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