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Access shaft and tank assembly comprising an access connection pipe and an access shaft
Access shaft and tank assembly comprising an access connection pipe and an access shaft
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机译:检修轴和水箱组件,包括检修连接管和检修轴
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摘要
The connector (1) between an underground tank and the ground surface has a collar at its base which fits against sealing surfaces (5, 6) on the neck (9) of the tank. Sealing rings (7, 8) are fitted between the collar and neck. An Independent claim is included for a tank fitted with the connector.
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