4. Railways: surface track
  5. Roadbed

Horst Weller

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Electrochromic element

Compositions – Light transmission modifying compositions – Displaying color change
Reexamination Certificate

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Shock absorber component for railway track having pourous rubber

Railways: surface track – Roadbed
Patent

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Synthesis of nanoparticles

Compositions – Inorganic luminescent compositions – Compositions containing halogen; e.g. – halides and oxyhalides
Reexamination Certificate

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Profile ID: LFUS-PAI-P-298218

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