Is: 1885 (Part Iii/Sec 8) - 1974; Electrotechnical Vocabulary Part 3 Acoustics Section 8 Architectur
Indian Standards Institution
Is: 1885 (Part Iii/Sec 8) - 1974; Electrotechnical Vocabulary Part 3 Acoustics Section 8 Architectur - BIS 1975
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Is: 1885 (Part Iii/Sec 8) - 1974; Electrotechnical Vocabulary Part 3 Acoustics Section 8 Architectur - BIS 1975
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