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Flanged Steel Plug Valves for the Petroleum Industry. Nature 166, 463 (1950). https://doi.org/10.1038/166463a0
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DOI: https://doi.org/10.1038/166463a0
Nature volume 166, page 463 (1950)
Flanged Steel Plug Valves for the Petroleum Industry. Nature 166, 463 (1950). https://doi.org/10.1038/166463a0
Issue Date:
DOI: https://doi.org/10.1038/166463a0