مشخصات کلی Code of federal regulations, title 47 telecommunications 0-19, revised as of october 1, 2015. نویسنده کتاب (Author): Office Of The Federal Regi..
مشخصات کلی Code of federal regulations, title 49 transportation 400-571, revised as of october 1, 2015. نویسنده کتاب (Author): Office Of The Federal Regi..