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https://drivepatents.com/patents/998350 · 12 Sep 2012
A fuel delivery pipe 10 is formed in a cylindrical shape and includes a main pipe 12 and mounting bosses 26 that are provided on an outer peripheral surface of the main pipe 12. The main pipe 12 includes first pipe portions 16 and second pipe portions 14. ...
https://drivepatents.com/patents/1002289 · 16 May 2012
Disclosed in the present application is a method of manufacturing a fuel delivery pipe. The fuel delivery pipe includes a crude metal made of forged iron, a nickel-phosphorus plating layer formed on an inner surface of the crude metal, and a nonmetal paint...