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GB1565110A
|
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Rensioning device for a banding strap
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GB1592455A
|
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Methods of installing an outer pipe on an existing pipeline
|
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GB1592456A
|
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Devices for locating a pair of semicircular section pipe pieces around an existing pipeline
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GB1592457A
|
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Jigs for supporting pipes
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GB1532003A
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Pipe cutting mechanisms
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|
GB1572694A
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Method of and apparatus for sealing joints in pressurised conduits
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|
DE2441563A1
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Method of externally sealing pipes - uses sheet formed into sleeve and pressurised; for changing gas supplies
|
|
DE2326335A1
|
|
Sealing spigot and socket pipe joints in situ. - partic. for low humidity high pressure gas pipelines
|
|
GB1436321A
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Apparatus for ventilating an underground pit accomodating a gas pressure control governor associated with a gas main
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|
GB1416984A
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Bagging-off devices for gas mains
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|
GB1417106A
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|
Method of and apparatus for sealing pipe joints
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|
GB1331602A
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|
Method of and means for sealing joints of pipelines internally
|
|
GB1343602A
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Sealing pipe joints
|
|
GB1309232A
|
|
Rope pulling apparatus
|
|
GB969697A
|
|
Pipe lining machine
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