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AUSTRIA |
Oesterreichische Gesellschaft für Schweisstechnik
Schweisstechnische Zentralanstalt |
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BELGIUM |
Institut Belge de la Soudure |
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DENMARK |
Dansk Sveiseteknisk Landsforening |
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FRANCE |
Institut de Soudure
Société des Ingénieurs Soudeurs |
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ITALY |
Istituto Italiano della Saldatura
Registro Italiano Navale
Direzione Generale Ferrovie dello Stato |
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NETHERLANDS |
Nederlandse Vereniging voor Lastechniek |
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NORWAY |
Norsk Sveiseteknisk Forening |
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SOUTH AFRICA |
South African Institution of Welding |
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SPAIN |
Instituto de la Soldadura |
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SWEDEN |
Svetskommissionen |
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SWITZERLAND |
Société Suisse de l'Acétylène
Schweizer Verband für die Materialprüfungen der Technik |
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UNITED KINGDOM |
Institute of Welding
British Welding Research Association
British Electrical
Allied Manufacturers Association
Institute of Sheet Metal Engineering |
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UNITED STATES |
American Welding Society |
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