seven ways to link cylinder block the connection of pipes of water supply.

• 1. 一种供水管道的连接件及包括该连接件的供水系统 [P] . 中国专利： CN209943776U . 2020.01.14
• 2. 一种缸体管道连接装置和发动机缸体 [P] . 中国专利： CN203499836U . 2014.03.26
• 3. seven ways to link cylinder block the connection of pipes of water supply. [P] . IT1233821B . 1992-04-17

  机译： 七种方式连接缸体，堵住供水管道。

• 4. Waste water system inspection shaft box - has cylindrical seats for matching connection blocks for effluent pipes [P] . 德国专利： DE2542661A1 . 1977-03-31

  机译： 废水系统检查轴箱-带有圆柱形底座，用于匹配出水管道的连接块

• 5. WATER PIPE CONNECTION END, ENGAGEMENT BODY FOR WATER PIPE CONNECTION, CORE MEMBER FOR WATER PIPE CONNECTION, WATER PIPE BODY, CONNECTION STRUCTURE FOR WATER PIPE, WATER PIPE DEVICE, PROTECTION CAP FOR WATER PIPE, AND CONNECTION END FORMING TOOL FOR WATER PIPE [P] . 日本专利： JP2007247892A . 2007-09-27

  机译： 水管连接端，水管连接用接合体，水管连接用芯材，水管体，水管的连接结构，水管装置，水管的保护帽以及水管的连接端形成工具

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• 5. In-depth study of plane wave-blockage interaction and analysis of high frequency waves behaviour in water-filled pipe systems. [D] . Louati, Moez. 2016
• 6. Provision of private piped water and sewerage connections and directly observed handwashing of mothers in a peri-urban community of Lima Peru [O] . William E. Oswald, Gabrielle C. Hunter, Michael R. Kramer, -1
• 7. The solution of the problem of elasticity theory for a half-space with a longitudinal cylindrical pipe andan elastic layer linked to the half-space, with displacements given on the boundary surfaces [O] . Vitaly Miroshnikov 2019
• 8. Development of three-pipe DHC system with once-through domestic hot water supply. [R] . 1991

• 1. Research of Pipe Made of Cu -Zn -Si Shape Memory Alloy to Internally Sprayed Pipe Connection in Connected Technology [J] . Shaoyun AN . International Journal of Technology Management . 2013,第001期
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