17659 Pdf 13l: En Iso

I was unable to locate a specific document titled in any major technical standards database (such as ISO, CEN, or national standardization bodies like DIN, BSI, or AFNOR).

If you can share more context (e.g., a screenshot or the document where this reference appeared), I can help identify the correct standard or section you’re looking for. En Iso 17659 Pdf 13l