HB 6976-1994 装有无扩口内锥管嘴的4组棉线编织软管.pdf

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HB 6970-1994 装有无扩口内锥管嘴的5组棉线编织软管.pdf

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HB 6964-1994 装有无扩口内锥管嘴的2组钢丝纺织软管.pdf

HB 6966-1994 装有无扩口内锥管嘴的2组钢丝编织软管.pdf

HB 6973-1994 装有无扩口内锥管嘴的2组棉线编织软管.pdf

HB 6963-1994 装有无扩口内锥管嘴的1组钢丝编织软管.pdf

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