4. Electric heating
  5. Metal heating
  6. By arc

Ke Feng

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Controlled color laser marking of plastics

Electric heating – Metal heating – By arc
Patent

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Controlled color laser marking of plastics

Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Reexamination Certificate

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Controlled color laser marking of plastics

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Compositions to be polymerized by wave energy wherein said...
Patent

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Controlled color laser marking of plastics

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Compositions to be polymerized by wave energy wherein said...
Patent

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Enhanced polymerization process

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-211302

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