فارسی | English                                                                                                          خانه | درباره ما | تماس با ما | راهنما و قوانین ورود | عضویت
 
DIN Deutsches Institut Fur Normung
استانداردهاي ملي آلمان
DIN Through its standards and handbooks DIN facilitates the international exchange of goods and services and encourages cooperation in the realms of intellectual scientific technological and economic activity. More than 12 000 standards address a wide range of topics.
سال : 2021 تعداد :31794 دسته :General اشتراک :Subscribe پیمایش استانداردها >>


سبد خرید 0