Search Results - "I 28.23:9418"

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  1. 1

    Canopy and base load distribution on a longwall shield by Barczak, Thomas M.

    Published 1992
    “…I 28.23:9418…”
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    Government Document Microfilm Book
  2. 2

    Canopy and base load distribution on a longwall shield / by Barczak, Thomas M.

    Published 1992
    “…I 28.23:9418…”
    Government Document Book
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