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Tracked Changes. Road traffic noise reducing devices. Test method for determining the acoustic performance. Normalized traffic noise spectrum.
Available languages: English
Available design: PDF - Immediate download, Print design
Road traffic noise reducing devices. Test method for determining the acoustic performance. Intrinsic characteristics. Intrinsic sound diffraction.
Available languages: English
Available design: PDF - Immediate download, Print design
Tracked Changes. Road traffic noise reducing devices. Test method for determining the acoustic performance. Intrinsic characteristics. Intrinsic sound diffraction.
Available languages: English
Available design: PDF - Immediate download, Print design
Road traffic noise reducing devices. Test method for determining the acoustic performance. Intrinsic characteristics. Sound absorption under direct sound field conditions.
Available languages: English
Available design: PDF - Immediate download, Print design
Tracked Changes. Road traffic noise reducing devices. Test method for determining the acoustic performance. Intrinsic characteristics. Sound absorption under direct sound field conditions.
Available languages: English
Available design: PDF - Immediate download, Print design
Road traffic noise reducing devices. Test method for determining the acoustic performance. Intrinsic characteristics. Airborne sound insulation under direct sound field conditions.
Available languages: English
Available design: PDF - Immediate download, Print design
Tracked Changes. Road traffic noise reducing devices. Test method for determining the acoustic performance. Intrinsic characteristics. Airborne sound insulation under direct sound field conditions.
Available languages: English
Available design: PDF - Immediate download, Print design
Cinematography. Reels for 16 mm motion-picture projectors (up to and including 610 m capacity: 38 cm size). Dimensions.
Available languages: English
Available design: PDF - Immediate download, Print design
Hyperloop Systems Aspects. Reference Architecture.
Available languages: English
Available design: PDF - Immediate download, Print design
Gas welding equipment. Manual gas equipment for welding, heating and cutting. Periodic inspection.
Available languages: English
Available design: PDF - Immediate download, Print design