4. Mining or in situ disintegration of hard material
  5. Hard material disintegrating machines
  6. With material-handling means

Eberhard Unger

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2-substituted estra-1,3,5(10)-triene-3-yl sulfamate with an...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Cyclopentanohydrophenanthrene ring system doai
Reexamination Certificate

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2-substituted estra-1,3,5(10)-triene-3-yl sulfamate with an...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Cyclopentanohydrophenanthrene ring system doai
Reexamination Certificate

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Antitumoral d-homoestra-1,3,5 (10)-trien-3-yl 2-substituted...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Ester doai
Reexamination Certificate

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Apparatus for and method of driving tunnels

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring
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Conveying apparatus

Mining or in situ disintegration of hard material – Hard material disintegrating machines – With material-handling means
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