ISO 1129-1980 Steel tubes for boilers superheaters and heat exchangers Dimensions tolerances and conventional masses per unit length《锅炉、过热器和热交换器用钢管 尺寸、公差和单位常用重量.pdf

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ISO 1129-1980 Steel tubes for boilers superheaters and heat exchangers Dimensions tolerances and conventional masses per unit length《锅炉、过热器和热交换器用钢管 尺寸、公差和单位常用重量.pdf_第1页
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ISO 1129-1980 Steel tubes for boilers superheaters and heat exchangers Dimensions tolerances and conventional masses per unit length《锅炉、过热器和热交换器用钢管 尺寸、公差和单位常用重量.pdf_第3页
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ISO 1129-1980 Steel tubes for boilers superheaters and heat exchangers Dimensions tolerances and conventional masses per unit length《锅炉、过热器和热交换器用钢管 尺寸、公差和单位常用重量.pdf_第4页
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