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CN104233315A
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Technology for preventing grinding crack of carburizing camshaft
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CN104232891A
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Pressure acid leaching-emulsion liquid membrane method for extracting nickel from laterite
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CN104227531A
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Low-roughness grinding process for steel-top and aluminum-skirt piston pin of diesel engine
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Grinding process using ultrasonic vibration to assist in grinding solid carbide tool
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CN104233420A
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Method for directly electroplating high-binding-force nickel layer on surface of aluminum or aluminum alloy
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CN104227019A
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Cutting technology for thin-wall titanium alloy part
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CN104232892A
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Wet metallurgy technology for low-grade multi-metal bismuth ore
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CN104227161A
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Process for combined machining of carburizing camshaft in electrolytic grinding mode
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CN104227512A
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Process for grinding stainless steel spindly shaft
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Wet metallurgy process for low-grade zinc oxide ores
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CN104233125A
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Thin-wall aluminum alloy material tube-shell part cutting processing heat treatment process
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CN104233414A
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Nickel phosphor composite brush plating restoration technology for gray iron castings after being worn
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CN104229848A
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Technology for extracting Al2O3 by using high-silicon aluminum ore with alumina-silica ratio less than 3.5
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CN104233417A
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Double-color plating technology on zinc alloy member button through combination of rolling and hanging
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CN104232940A
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Technology for extracting vanadic anhydride from bone coal by wet method
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CN104232958A
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Melting technology for Cu-Mg-Y alloy with uniform compositions
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CN104232936A
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Technology for producing cobalt oxide by low-grade copper cobalt ore
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CN104233373A
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Zinc smelting technology for low-zinc high-iron roasting ore by wet method
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CN104233413A
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Brush plating technology for restoring rolling-mill gear shaft by using pulse electric brush plating
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CN104233142A
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Preparation method for V-5Cr-5Ti rolled sheet
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