2024 43 CFR 3175.47 – Differential primary devices other than flange-tapped orifice plates

2023 43 CFR 3175.47 – Differential primary devices other than flange-tapped orifice plates

2022 43 CFR 3175.47 – Differential primary devices other than flange-tapped orifice plates

2020 43 CFR 3175.47 – Differential primary devices other than flange-tapped orifice plates

2019 43 CFR 3175.47 – Differential primary devices other than flange-tapped orifice plates

2016 43 CFR 3175.47 – Differential primary devices other than flange-tapped orifice plates