Corrugated pipe with perforation protecting cover

A pipe having an axially extending bore is defined by a corrugated outer wall having alternating, axially-adjacent, annular crests and valleys. The wall of the pipe has a hole disposed in a valley which provides fluid communication between the bore and the outside. The pipe also has a cover which ex...

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Bibliographische Detailangaben

1. Verfasser:	Goddard, James B
Format:	Patent
Sprache:	eng
Online-Zugang:	Volltext bestellen
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