Are you familiar with Y02/Y04S?

If you are a user of the Y02/Y04S classification scheme for climate change mitigation technologies, we invite you to participate in a short survey. It will only take a few minutes of your time and your answers will help us to improve the scheme further.
You can complete the survey in English, German or French language

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ESPACE ACCESS PRECES has been designed as an index to the ESPACE PRECES collection similarly to other ESPACE ACCESS products.


Hungarian Patent Office

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