4. Telephonic communications
  5. Substation or terminal circuitry
  6. For loudspeaking terminal

Xu Li

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Biodegradable triblock copolymers, synthesis methods...

Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Matrices
Reexamination Certificate

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Catalysts for manufacturing carbon substances

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Metal – metal oxide or metal hydroxide
Reexamination Certificate

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Catalysts for manufacturing carbon substances

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Metal – metal oxide or metal hydroxide
Reexamination Certificate

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Cleaning solution and method for cleaning semiconductor...

Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...
Reexamination Certificate

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Cleaning solutions for semiconductor substrates after...

Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...
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