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浏览/检索结果: 共3条，第1-3条 帮助 限定条件 内容类型：专利     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Stove-type water heater for domestic purpose, has water outlet pipe connected with upper connecting tube, and lower connecting tube located below stove grate sub, where upper connecting tube is located on hearth. 专利 申请日期: 2015-01-01, 公开日期: 2015-09-23 作者:  MA L ZHANG J 收藏  |  浏览/下载：1/0  |  提交时间：2019/12/09 Siphon principle based four heat rain and snow watercollecting-accumulating system, has water heater water returning pipeline connected to solenoid valve, and bypass valve connected with rain water and snow water conveying pipeline. 专利 申请日期: 2014-01-01, 公开日期: 2014-03-12 作者:  WANG J WANG S MENG N WU J XU H 收藏  |  浏览/下载：4/0  |  提交时间：2019/12/11 Vacuum falling film bubbling deamination device used for treating wastewater and recovering ammonia, comprises falling film heater, water collecting jar, absorbing device and vacuum device. 专利 申请日期: 2011-01-01, 公开日期: 2011-08-31 作者:  ZHANG X MA W WANG R HUANG Q LIN Z C 收藏  |  浏览/下载：1/0  |  提交时间：2019/12/18