English خانه | درباره | تماس
ANSI American National Standards Institute
استانداردهاي ملي آمريکا
ANSI ANSI supports the development and approval of national voluntary standards develops accreditation programs and serves as U.S. representative to the International Standards Organization (ISO). Members include trade associations labor unions professional societies standards developing organizations private industry academe and government.
سال : 2023 تعداد :2658 دسته :General اشتراک :Subscribe پیمایش استانداردها >>

ورود | عضویت

سبد خرید 0