A manhole head assembly (1) of the type having a substantially vertical axis and being intended to be mounted on a conventional manhole member (M) made of non-elastic material.
A manhole ring (317) having an omnidirectional upper part (321) and a method of use of said manhole ring (317).
In addition to the stub-type access hole, all the other connecting pipe stubs are of double-walled design.
A space is provided between the inner and outer shells and between the walls of the stub-type access hole.
A trap for preventing odor drifted back through a house drain or a road manhole drain is disclosed.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Traduction Translation Traducción Übersetzung Tradução Traduzione Traducere Vertaling Tłumaczenie Mετάφραση Oversættelse Översättning Käännös Aistriúchán Traduzzjoni Prevajanje Vertimas Tõlge Preklad Fordítás Tulkojumi Превод Překlad Prijevod 翻訳 번역 翻译 Перевод