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The sodium cyanide passivation treatment of alloy pipe can be divided into four categories. Before p...
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Hardness stainless steel pipes are usually measured by Brinell, Rockwell and Vickers hardness indexe...
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● specification: inner diameter of secondary grouting pipe: mm; Outer diameter: mm; Inner diameter t...
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but only needs to place the productA: card inserted non-woven packaging color printing refers to th...
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What is card suction non-woven packaging color printing?The design of color printing of wooden box n...
