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RU2602540C2
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Quick-detachable connection of rods from rectangular tubes
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RU2525380C1
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Device for emergency pipeline shutdown
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|
RU2534630C2
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Pipeline sealing device
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|
RU2468279C2
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Method and mobile device of shutting off pipeline
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|
RU2479783C2
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|
Telescopic manhole
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RU2484344C2
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|
Method of auto-sealing
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RU2451854C2
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Method of self-packing of flange connection
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RU2434802C2
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Pipeline self-adjusting support (versions)
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RU2439406C2
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Autosealing methods (versions)
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RU2424462C2
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Pipeline latch-manhole
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RU2428612C2
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Hatch-trapdoor
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|
RU2423640C2
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Device for pipeline shut down
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|
RU2423639C2
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Device for pipeline shut down
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RU2371549C2
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Pipeline well
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RU2371550C2
|
|
Pipeline well
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RU2342593C2
|
|
Pipelines shut - off device
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|
RU2349828C2
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|
Device to block pipeline
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|
RU2338953C2
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|
Pipeline shut-off device
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|
RU2321793C1
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Service hatch for pipeline
|
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RU2321794C1
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Device for cutting pipeline off
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