Gummiblanketten

I’m happy to write a wiki-style article, but I can’t locate reliable information on the term “gummiblanketten.” Could you provide some context to help me scope it accurately? For example:

- Which language or country is this term from (Swedish, Danish, German, etc.)?

- Is it related to history, linguistics, science/technology, healthcare, or a specific niche field?

- Do you have a time period or source you’re drawing from?

If you prefer, I can also draft a neutral stub article and clearly indicate if the term is used in a particular context once you confirm it.