Antimagnetic properties of watches; definition, requirements, testing Le terme montres antimagnétiques; désignation, exigences, essaisZusammenhang mit der von der International Organization for Standardization (ISO) herausgegebenen InternationalenNorm I
DIN 8309:1981 history
1981DIN 8309:1981-02 Antimagnetic properties of watches; definition, requirements, testing
1981DIN 8309:1981 Antimagnetic properties of watches; definition, requirements, testing