Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B29
WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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B29D
PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
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11/00
Producing optical elements, e.g. lenses or prisms
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B29D11/02
Artificial eyes from organic plastic material
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B29D11/023
Implants for natural eyes
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B29D11/026
Comprising more than one lens
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