If you are searching for the , you are likely running into its "retirement" story: DIN 53507 - 1983-03
Go to and search for "DIN ISO 34-1". You can purchase: din 53507 pdf
Do you need to to a newer ISO or ASTM standard? If you are searching for the , you
A narrow rubber strip is given a defined pre-slit, creating two "legs". If you are searching for the