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Simple special sand mixing device
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Method for improving production efficiency of duplex stainless steel material casting
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Technological method for processing complex sand core by using foam loose piece
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Device convenient to clearance floats sand in cast tube
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Heat treatment method of medium-carbon low-alloy steel
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Preprocessing method of filler for welding
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Method for quenching and charging medium-sized creeper tread
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Preparation method of stainless steel material for improving super austenite
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Pipe butt welding method for preventing misalignment deformation
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Rocker arm transfer device
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Chill positioning method in casting production
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Pre-buried in extension positioning die assembly device of sand mould
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Welding process method for preventing repair welding cracks of nickel-based alloy bent pipe
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Four arm crossbeam critical size Rapid checking devices of one kind and its method of inspection
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A kind of manufacturing method of large size martensitic stain less steel casting
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A kind of cast member wall thickness special measurement device
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A kind of steel-casting casting model and its pouring procedure
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Resin self-setting sand sand mold mold cavity surface drying oven
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A method of preventing the tiny runner sand core cracking of pump housing class casting
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A kind of high-performance metal reflection-type insulating layer
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