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Thư viện tài liệu & tiêu chuẩn âm học (TCVN, ISO, ASTM, IEC) áp dụng trong đo kiểm, thử nghiệm và thiết kế âm học công trình.

Đang lọc theo:Năm: 1995×(4 kết quả)

Acoustics — Determination of sound insulation performances of enclosures — Part 2: Measurements in situ (for acceptance and verification purposes)
ISO1995ISO 11546-2:1995
This part of ISO 11546 specifies in situ methods for the determination of the sound insulation performance (insertion loss) of machine enclosures.
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Acoustics — Determination of sound insulation performances of enclosures — Part 2: Measurements in situ (for acceptance and verification purposes)
ISO1995ISO 11546-2:1995
ISO 11546-2:1995 - Acoustics — Determination of sound insulation performances of enclosures — Part 2: Measurements in situ (for acceptance and verification purposes)
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Acoustics — Determination of sound insulation performances of enclosures — Part 1: Measurements under laboratory conditions (for declaration purposes)
ISO1995ISO 11546-1:1995
ISO 11546-1:1995 - Acoustics — Determination of sound insulation performances of enclosures — Part 1: Measurements under laboratory conditions (for declaration purposes)
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Acoustics — Determination of sound insulation performances of enclosures — Part 1: Measurements under laboratory conditions (for declaration purposes)
ISO1995ISO 11546-1:1995
ISO 11546-1:1995 - Acoustics — Determination of sound insulation performances of enclosures — Part 1: Measurements under laboratory conditions (for declaration purposes)
Xem chi tiết →

Acoustics — Determination of sound insulation performances of enclosures — Part 2: Measurements in situ (for acceptance and verification purposes)