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RO109883B1
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Rapid joining device
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RO109964B1
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Double filter with continuous slit
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RO99695B1
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Stand for pressure testing a piece of tubular material
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RO105409B1
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Method and plant for cosings sections aligment at pits trising
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RO100146B1
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Filter manufacturing device
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RO98902B1
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Straining process and pre-tensioned rod for applying the process
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RO93250A2
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Mould making process
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RO93270A2
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Burlan tubare
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RO93265A2
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Infiltration alloy
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RO92221A2
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Joining device for boring rods
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RO91538A2
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Joint applicable at the foundation of some bins for raising them in vertical position
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RO91539A2
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Device for adjusting the distance between the legs of the equipments to be fitted in vertical position
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RO90513A2
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Mobile platform for the water determination plant
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RO88816A2
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Apparatus for measurement of deviation and azimut to samples
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RO87615A2
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Equipment for the determination of spray
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RO87710B
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Marin forward fluid
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RO87168B1
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Device for the synchronization of geophysical exploiting depth in a bore hole with the recorded diagram
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RO86325A2
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Procedure and device for the cellation of a burling column
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RO86208A2
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Overshot
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RO86206A2
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Device for centering a higher end of a stem section remained in a drilled hole
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