4. Drug, bio-affecting and body treating compositions
  5. Designated organic active ingredient containing
  6. Having -c-, wherein x is chalcogen, bonded directly to...

C. Chang

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Triazole containing indole derivatives

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent

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Variable valve mechanism for an engine

Internal-combustion engines – Poppet valve operating mechanism – Electrical system
Reexamination Certificate

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