4. Closure fasteners
  5. Bolt casings

Yau C. Fang

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Auxiliary lock with an extensible device

Closure fasteners – Bolt casings
Patent

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Auxiliary lock with an extensible device

Closure fasteners – Bolt casings
Patent

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Cylinder door lock with a dead bolt adjustable in two sizes

Closure fasteners – Bolt casings
Patent

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Tubular door lock with a dead bolt adjustable in two sizes witho

Closure fasteners – Bolt casings
Patent

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Tubular door lock with an adjustable device

Closure fasteners – Bolt casings
Patent

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Profile ID: LFUS-PAI-P-409130

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