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APCER - Associação Portuguesa de Certificação
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- ISO 9001:2008
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(Quality System)
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TÜV - Suddeutschland
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- AD-MERKBLATT HP 0/TRD201
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(Pressure Vessels)
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- AD-MERKBLATT W 0/TRD100
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(Dished Heads)
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- PED 97/23/CE Annex I, § 4.3
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(Cast steel and nickel alloys)
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- EN ISSO 3834-2
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(Fusion welding of metallic materials)
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ASME - American Society of Mechanical Engineers
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- "U" STAMP
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(Pressure Vessels)
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