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GB/T 21832.3-2024 Austenitic-ferritic duplex stainless steel welded steel pipes - Part 3: Pipes for oil and gas transportation 奥氏体-铁素体型双相不锈钢焊接钢管-第3部分:油气输送用管 - 英文版 |
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GB/T 21832.1-2018 Welded austenitic-ferritic (duplex) stainless steel tubes and pipes—Part 1:Tubes for heat exchanger 奥氏体-铁素体型双相不锈钢焊接钢管 第1部分:热交换器用管 - 英文版 |
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GB/T 21832.2-2018 Welded austenitic-ferritic (duplex) stainless steel tubes and pipes—Part 2:Pipes for fluid transport 奥氏体-铁素体型双相不锈钢焊接钢管 第2部分:流体输送用管 - 英文版 |
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GB/T 21832-2008 Austenitic - Ferritic (duplex) grade stainless steel welded tubes and pipes 奥氏体 铁素体型双相不锈钢焊接钢管 - 英文版 |
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