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Lorentz Wahman
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Goteborg, SW
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last 30 patents
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Patent Grant
Coupling device for joining together reinforced concrete elements,...
Patent number
4,050,211
Issue date
Sep 27, 1977
Lorentz Wahman
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Patent Grant
Reinforced concrete pile and a method of manufacturing such a pile
Patent number
3,930,373
Issue date
Jan 6, 1976
Asserback; Roy
Lorentz Wahman
B28 - WORKING CEMENT, CLAY, OR STONE