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International Conference on the Advances in Fusion and Processing of Glass

Pacific Rim Conference on Ceramic and Glass Technololgy

Convention Concerning the Reduction of Hours of Work in Glass-bottle Works

Convention for the Regulation of Hours of Work in Automatic Sheet-glass Works

Third Protocol to the General Treaty of Central American Economic Integration to Guarantee Free Trade in Paper and Glass Containers

Aluminium, Brick and Glass Workers International Union

Euro Glass Club

European Federation of Glass Container Manufacturers

Glass Industry Club of the Common Market

International Convention on Glass

Nordisk Glassmesterunion

Vitreous Society