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Excavating tool device

E - Fixed Constructions – 21 – C
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Excavating tools for releasing rock, minerals and the like...

E - Fixed Constructions – 21 – D
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Excavating tooth for an earth auger

E - Fixed Constructions – 21 – B
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Excavation and compaction equipment for the construction of...

E - Fixed Constructions – 21 – B
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Excavation and method of excavation

E - Fixed Constructions – 21 – B
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Excavation equipment to form trenches for buried walls

E - Fixed Constructions – 21 – B
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Excavation machine

E - Fixed Constructions – 21 – D
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Excavation method

E - Fixed Constructions – 21 – C
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Excavation tool

E - Fixed Constructions – 21 – B
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Excavation tool

E - Fixed Constructions – 21 – B
Patent

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Excavator

E - Fixed Constructions – 21 – C
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Excavator drive mechanism for tunnel boring machine

E - Fixed Constructions – 21 – C
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Exhaust means for percussion tool motors

E - Fixed Constructions – 21 – B
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Expandable anchor

E - Fixed Constructions – 21 – B
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Expandable and contractible rotary well drilling bit

E - Fixed Constructions – 21 – B
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Expandable apparatus for drift and reaming a borehole

E - Fixed Constructions – 21 – B
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Expandable ball seat

E - Fixed Constructions – 21 – B
Patent

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Expandable bit

E - Fixed Constructions – 21 – B
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Expandable bit with a secondary release device

E - Fixed Constructions – 21 – B
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Expandable bit with a secondary release device

E - Fixed Constructions – 21 – B
Patent

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