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Filters: Keyword is pipe materials and Author is Ryan, B.  [Clear All Filters]
1986
D. D. Mara y Ryan, B., «Le cabinet d'aisances ameliore a fosse ventilee : les principes techniques des tuyaux d'aeration», vol. no. 6. World Bank, Washington, DC, USA, p. v, 18 p.: fig., tab., 1986.
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