Search Results - "I 28.23:2282"

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  1. 1
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    Hot high-nitrogen gas in metal mine

    Published 1921
    “…I 28.23:2282…”
    Government Document Microfilm Book

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  2. 2
    Cover Image

    Hot high-nitrogen gas in metal mine.

    Published 1921
    “…I 28.23:2282…”
    Full Text (via ProQuest)
    Government Document eBook

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