IS:2584-1963 Method of test for electric strngth of solid insulting materials at power frequencies
Indian Standard Institution Manak Bhawan
IS:2584-1963 Method of test for electric strngth of solid insulting materials at power frequencies - ISI Manak bhawan 1964 - 16
IS:2584-1963 Method of test for electric strngth of solid insulting materials at power frequencies - ISI Manak bhawan 1964 - 16