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w m laing
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A new approach to construction management through building measurement and time standards
W. M. Laing · Construction Press
211 sayfa · 1976
Building / Construction industry / Estimates / Management
The use of plastic tubing in gathering maple sap
Frederick M. Laing, Mary G. Lighthall, James W. Marvin · Vermont Agricultural Experiment Station
11 sayfa · 1960
Maple sugar industry / Equipment and supplies