Showing 1 - 2 results of 2 for search 'Harker, A.P', 查询时间: 0.01s Refine Results
  1. 1

    The production of charcoal in a portable metal kiln. 由 Paddon, A.R

    出版 1979
    图书

    The production of charcoal in a portable metal kiln.
  2. 2

    The utilization of waste heat produced during the manufacture of coconut shell charcoal for the centralised production of copra. 由 Breag, G.R

    出版 1979
    图书

    The utilization of waste heat produced during the manufacture of coconut shell charcoal for the centralised production of copra.

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