Class number details
Library items with class number 621.6



Village Handpump Technology Research and Evaluation in asia Canada
Title : Village Handpump Technology Research and Evaluation in asia Canada Material Type: printed text Publisher: Ottaw : IDRC Publication Date: 1982 Pagination: 46p. , Illus Languages : (Eng) Keywords: Pumping Machinary Technology(Village)Water Supply Class number: 621.6 Village Handpump Technology Research and Evaluation in asia Canada [printed text] . - Ottaw : IDRC, 1982 . - 46p. , Illus.
Languages : (Eng)
Keywords: Pumping Machinary Technology(Village)Water Supply Class number: 621.6 Copies
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