4. Surgery
  5. Truss
  6. Perineal

Dao-pin Chang

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Apparatus for composting and treating waste, particularly dung

Chemistry: molecular biology and microbiology – Apparatus – Bioreactor
Patent

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Device to aid sexual potency

Surgery – Truss – Perineal
Patent

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Hair circle for conjugal affection

Surgery – Truss – Perineal
Patent

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Profile ID: LFUS-PAI-P-8699

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