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1975-07-29 |
Skanska Cementgjuteriet Ab |
System for automatically aligning and/or moving in a parallel movement path a guide seating structure adapted for guiding the movement of a tool mounted thereon
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1970-12-14 |
1973-01-16 |
Bradley Pulverizer Co |
Rock drill positioning machine
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1972-10-12 |
1974-03-12 |
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Self-propelled drilling rings for boring blastholes and small-diameter wells
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1973-10-24 |
1975-12-22 |
Atlas Copco Ab |
Sett att reglera en hydraulbroms rorelser och anordning for genomforande av settet
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1974-12-19 |
1978-09-12 |
Atlas Copco Aktiebolag |
Method and arrangement for positioning a working tool to a predetermined direction and/or a predetermined point
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1975-06-04 |
1977-12-27 |
Atlas Copco Ab |
Ringborraggregat
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1975-07-02 |
1978-09-20 |
Compair Constr Mining Ltd |
Hydraulic parallelmotion system for drilling machines etc
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1975-11-18 |
1977-06-17 |
Laing & Son Ltd John |
Appareil de levage
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1976-02-12 |
1977-01-04 |
The Steel Engineering Company Limited |
Mounting for rock drills
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1977-05-16 |
1981-06-23 |
Atlas Copco Aktiebolag |
Method and device for setting the direction and/or the inclination of an elongated rock drilling apparatus
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1977-06-07 |
1979-02-05 |
Toyo Kogyo Co |
Core taking out apparatus of boring machine
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1977-06-21 |
1979-01-29 |
Atlas Copco Ab |
Forfaringssett vid borrning i berg och anordning for genomforande av forfarandet
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1977-06-21 |
1984-08-10 |
Atlas Copco Ab |
Riktningsventilanordning foer inriktning av maskinenheter
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1978-04-11 |
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Hydrauliskt instellbar borrbom
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Ventilkoppling for hydraulisk styrning av borrbom
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1984-11-27 |
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Positioning control system for rock drill support apparatus
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Montabert Roger |
Bras-support articule pour glissiere d'appareil de foration
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1979-04-30 |
1981-05-19 |
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Positioning control system for rock drill support apparatus
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The United States Of America As Represented By The Secretary Of The Navy |
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Fremgangsmaate for oppretting av fjellbor
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石油钻机井架和底座液压升降同步控制装置
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一种具有掘进掏槽功能的钻机
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