4. Baths, closets, sinks, and spittoons
  5. Flush closet
  6. Manual selection of the amount of flush

Donald Grant

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Dual flush cistern

Baths – closets – sinks – and spittoons – Flush closet – Manual selection of the amount of flush
Patent

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Staining technique for semiconductor device for sem exposure

Semiconductor device manufacturing: process – Chemical etching – Vapor phase etching
Patent

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System and method for liquid filtration based on a neutral...

Liquid purification or separation – Filter – Material
Reexamination Certificate

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Profile ID: LFUS-PAI-P-910592

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