Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
This invention relates to a cellar liner 10 for use in the construction of a cellar for a gas or oil well. The cellar 5 liner 10 includes a base wall 11 and one or more upstanding side walls 12 which in combination define an enclosure having a longitudinal axis 19. The bottom wall includes a hole 14 having an elongate axis 15 that is coincident with the longitudinal axis 19. cCOLO9104 asfiled 250ctober2019 el II /6'9.17
This invention relates to a cellar liner 10 for use in the construction of a cellar for a gas or oil well. The cellar 5 liner 10 includes a base wall 11 and one or more upstanding side walls 12 which in combination define an enclosure having a longitudinal axis 19. The bottom wall includes a hole 14 having an elongate axis 15 that is coincident with the longitudinal axis 19. cCOLO9104 asfiled 250ctober2019 el II /6'9.17
A CELLAR LINER
COLEMAN CLAYTON JOHN (Autor:in)
14.05.2020
Patent
Elektronische Ressource
Englisch
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