IS: 1885 (Part III/Sec 1) - 1965; Electrotechnical Vocabulary Part 3 Acoustics Section 1 Physical Acoustics
IS: 1885 (Part III/Sec 1) - 1965; Electrotechnical Vocabulary Part 3 Acoustics Section 1 Physical Acoustics
- New Delhi BIS 1966
- 28p
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