Sprue cup formed integrally through fire-resisting material
MA JIANGANG, KONG YANNIAN, SU QUANQING, JI KEMING, LIU SHULIANG, WANG ZEPING
Year of Publication 20.07.2011
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Year of Publication 20.07.2011
Patent
Foam drying room capable of drying by hot air
MA JIANGANG, KONG YANNIAN, SU QUANQING, JI KEMING, LIU SHULIANG, WANG ZEPING
Year of Publication 13.07.2011
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Year of Publication 13.07.2011
Patent
Straight hollow foam pouring channel
MA JIANGANG, KONG YANNIAN, SU QUANQING, JI KEMING, LIU SHULIANG, WANG ZEPING
Year of Publication 13.07.2011
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Year of Publication 13.07.2011
Patent
Anti-deformation steel brace ring
MA JIANGANG, KONG YANNIAN, SU QUANQING, JI KEMING, LIU SHULIANG, WANG ZEPING
Year of Publication 13.07.2011
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Year of Publication 13.07.2011
Patent
Special lifting tool for large caliber nodular cast-iron pipe
MA JIANGANG, KONG YANNIAN, SU QUANQING, JI KEMING, LIU SHULIANG, WANG ZEPING
Year of Publication 13.07.2011
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Year of Publication 13.07.2011
Patent
Lost foam pipe saddle
MA JIANGANG, KONG YANNIAN, SU QUANQING, JI KEMING, LIU SHULIANG, WANG ZEPING
Year of Publication 07.07.2010
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Year of Publication 07.07.2010
Patent
Lost foam pipe hoop
MA JIANGANG, KONG YANNIAN, SU QUANQING, JI KEMING, LIU SHULIANG, WANG ZEPING
Year of Publication 07.07.2010
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Year of Publication 07.07.2010
Patent
Ring flange mold with waterstop port
MA JIANGANG, KONG YANNIAN, SU QUANQING, JI KEMING, LIU SHULIANG, WANG ZEPING
Year of Publication 23.06.2010
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Year of Publication 23.06.2010
Patent
Food-grade coating bell and spigot type lost-foam pipe fitting
MA JIANGANG, KONG YANNIAN, SU QUANQING, JI KEMING, LIU SHULIANG, WANG ZEPING
Year of Publication 26.05.2010
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Year of Publication 26.05.2010
Patent
Vanishing die pipe fitting with installation block
MA JIANGANG, KONG YANNIAN, SU QUANQING, JI KEMING, LIU SHULIANG, WANG ZEPING
Year of Publication 26.05.2010
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Year of Publication 26.05.2010
Patent
Pipe clamp of lost foam
MA JIANGANG, KONG YANNIAN, SU QUANQING, JI KEMING, LIU SHULIANG, WANG ZEPING
Year of Publication 28.04.2010
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Year of Publication 28.04.2010
Patent
Lost-foam pipe saddle
MA JIANGANG, KONG YANNIAN, SU QUANQING, JI KEMING, LIU SHULIANG, WANG ZEPING
Year of Publication 14.04.2010
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Year of Publication 14.04.2010
Patent