IS: 1885(PartIII/Sec4):Electrotechnical Vocabulary Part3 Acoustics Section4 Sonics, Ultrasonics and Underwater Acoustics
IS: 1885(PartIII/Sec4):Electrotechnical Vocabulary Part3 Acoustics Section4 Sonics, Ultrasonics and Underwater Acoustics
- New Delhi BIS 1967
- 12p
/
/