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南京云耕科技实业有限公司自主研发的云耕牌低水箱压气式分量排水阀是国家专利产品,专利号:002207869。该产品先后在中国国际专利技术产品交易会及中国国际专利与名牌博览会上荣获金奖。产品基于“水压气”这个独创的专利技术原理,加上配套专用的双开关手柄、
Nanjing Yun Geng Technology Industry Co., Ltd. independent research and development of cloud-yang licensing low tank pressure component drain valve is a national patent product, patent number: 002207869. The product has won the gold medal at China International Patent Technology Fair and China International Patent and Brand Expo. The product is based on the original patented technology principle of “hydraulic pressure ”, coupled with a dedicated double switch handle,