وسائل ٹیگ کردہ: Masonry
3 items found (Showing 1 - 3)
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01 جنوری 1955 144 pages, illustrated, photos
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01 جنوری 1964 Department of Economic and Social Affairs, United Nations 87 pages, illustrated, photos, plus tables of figures
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01 جنوری 1983 This booklet is a manual on masonry well construction, written for the layman with little or no technical training. 50 pages, illustrated