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BS ISO 4251-1:2019 Code designated diagonal tyres (ply rating marked series) for agricultural tractors, trailers and machines Tyre designation and dimensions, and approved rim contours

Size coding
Loading
Dimensional tolerances
Dimensions
Contour
Wheel rims
Numerical designations
Width
Radial-ply tyres
Tyres
Pneumatic tyres
Agricultural tractors
Marking
Velocity
Diameter
Height
Wheels
Radius
Preferred sizes
Agricultural equipment
Vehicle components

Link: BS ISO 4251-1:2019 Code designated diagonal tyres (ply rating marked series) for agricultural tractors, trailers and machines Tyre designation and dimensions, and approved rim contours
Source: BSI Standards

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BS EN 17255-1:2019 Stationary source emissions. Data acquisition and handling systems Specification of requirements for the handling and reporting of data

Waste disposal facilities
Gas analysis
Verification
Air pollution
Chemical analysis and testing
Waste disposal
Laboratory testing
Control samples
Air
Measurement characteristics
Emission
Gas analyzers
Quality
Stationary
Incineration (waste)

Link: BS EN 17255-1:2019 Stationary source emissions. Data acquisition and handling systems Specification of requirements for the handling and reporting of data
Source: BSI Standards

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BS ISO 2965:2019 Materials used as cigarette papers, filter plug wrap and filter joining paper, including materials having a discrete or oriented permeable zone and materials with bands of differing permeability. Determination of air permeability

Equations
Gas flow
Testing conditions
Statistical methods of analysis
Air
Reproducibility
Flow measurement
Calibration
Control samples
Test specimens
Test equipment
Paper
Cigarette filters
Permeability measurement
Leak tests
Specimen preparation
Cigarettes
Cigarette paper
Air permeability
Tobacco
Tobacco testing

Link: BS ISO 2965:2019 Materials used as cigarette papers, filter plug wrap and filter joining paper, including materials having a discrete or oriented permeable zone and materials with bands of differing permeability. Determination of air permeability
Source: BSI Standards