Natural gas automatic?monitoring leak protection pipeline
The utility model relates to a natural gas line specifically is a natural gas automatic?monitoring leak protection pipeline. It includes hot oil line (2) that inner tube (1) and inner tube (1) outside was equipped with, inner tube (1) has formed cavity (3) with hot oil line (2), and is equipped with...
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Main Authors | , , , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
17.08.2016
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Subjects | |
Online Access | Get full text |
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