4. Machine element or mechanism
  5. Gearing
  6. Directly cooperating gears

Dong Kyu Park

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Method of making manganese sulfide compositions

Chemistry of inorganic compounds – Sulfur or compound thereof – Binary compound
Reexamination Certificate

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Pair of semi-spherical bevel gears

Machine element or mechanism – Gearing – Directly cooperating gears
Patent

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Profile ID: LFUS-PAI-P-540342

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