Din 53507 Pdf Today
In the global effort to harmonize standards, many national standards have been superseded by International Organization for Standardization (ISO) standards.
DIN 53507:1983-03, Testing of rubber and elastomers — Determination of the tear strength of elastomers — Trouser test piece, German Institute for Standardisation (Deutsches Institut für Normung), Berlin, 1983. din 53507 pdf
Some unofficial sources include: