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Arrangement for excavating and conveying bulk material

Unearthing plants or buried objects – Railroad ballast removal and assorting or separating
Patent

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Arrangement for excavating bulk material from a track bed

Unearthing plants or buried objects – Railroad ballast removal and assorting or separating
Patent

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Arrangement in root-crop harvesting machines

Unearthing plants or buried objects – With cleaning of recovered object by brushing or wiping
Patent

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Assembly line potato harvester

Unearthing plants or buried objects – Removable or alternate collection receptacles
Patent

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Automated apparatus for removing transplant size seedlings

Unearthing plants or buried objects – Periodic dumping in piles
Patent

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Ballast cleaning and levelling machine

Unearthing plants or buried objects – Railroad ballast removal and assorting or separating
Patent

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Ballast cleaning machine

Unearthing plants or buried objects – Railroad ballast removal and assorting or separating
Patent

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Ballast cleaning machine

Unearthing plants or buried objects – Railroad ballast removal and assorting or separating
Patent

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Ballast cleaning machine

Unearthing plants or buried objects – Railroad ballast removal and assorting or separating
Patent

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Ballast cleaning machine

Unearthing plants or buried objects – Railroad ballast removal and assorting or separating
Patent

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Ballast cleaning machine

Unearthing plants or buried objects – Railroad ballast removal and assorting or separating
Patent

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Ballast cleaning machine

Unearthing plants or buried objects – Railroad ballast removal and assorting or separating
Patent

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Ballast cleaning machine

Unearthing plants or buried objects – Railroad ballast removal and assorting or separating
Reexamination Certificate

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Ballast cleaning machine and method

Unearthing plants or buried objects – Railroad ballast removal and assorting or separating
Reexamination Certificate

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Ballast cleaning machine with preliminary sifting conveyor

Unearthing plants or buried objects – Railroad ballast removal and assorting or separating
Patent

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Ballast cleaning machine with two ballast screening installation

Unearthing plants or buried objects – Railroad ballast removal and assorting or separating
Patent

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Ballast excavating chain

Unearthing plants or buried objects – Railroad ballast removal and assorting or separating
Reexamination Certificate

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Ballast excavating chain

Unearthing plants or buried objects – Railroad ballast removal and assorting or separating
Reexamination Certificate

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Ballast excavating chain arrangement

Unearthing plants or buried objects – Railroad ballast removal and assorting or separating
Patent

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Ballast leveling apparatus and method

Unearthing plants or buried objects – Railroad ballast removal and assorting or separating
Patent

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