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DD3ì?ì??á÷×è??'ó?¨?à??óú?±í¨ê??????????¤?óD?òa?ó???í????ê????¤·§óD3??ü??3??o??3?ì?'é?°?T3?à??è?á11??ê??÷àà???¤·§?Dó|ó?×?1?·o??ò???D?ê?????óDò??¨???úá÷ì?D????éó?óú???????íê'D?oí?1??á??é?êD?o????ü·a?é????3é±??í??·§ì?óD??ì??y?ìoí?ío??è?á11???ío??á11??·§ì?2?á????üD????????éó?óú??????1¤?ó
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1?3?í¨??·??§?oDN15??400mm
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GB/T 12239-1989
MSS-SP-88-1988
ISO 5752-1988
BS 5156-1985
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2
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á÷×èD???DD3ì??3¤?¨?à??óú??ê??????????¤?óD?òa?ó???????D??D??üoíá÷í¨?üá|?ù?????éó?óú?????????í??ê'???üó?óú??á?×'?é?ê???ú???é3??ü??3??o?ò3?ì?'é
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1?3?í¨??·??§?oDN15??300mm
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GB/T 12239-1989
MSS-SP-88-1988
ISO 5752-1988
BS 5156-1985
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3
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1?3?í¨??·??§?oDN100??400mm
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GB/T 12239-1989
MSS-SP-88-1988
ISO 5752-1988
BS 5156-1985
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4
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1?3?í¨??·??§?oDN15??80mm
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GB/T 12239-1989
MSS-SP-88-1988
ISO 5752-1988
BS 5156-1985
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|
5
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1?3?í¨??·??§?oDN15??200mm
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GB/T 12239-1989
MSS-SP-88-1988
ISO 5752-1988
BS 5156-1985
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6
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1?3?í¨??·??§?oDN15??250mm
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GB/T 12239-1989
MSS-SP-88-1988
ISO 5752-1988
BS 5156-1985
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7
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?±á÷ê?oí?±??ê?2?á§
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?÷ì?2?á??a2?á§???á11í¨3?óD?±í¨ê?oí?±??á???D?ê???·§ì?óDí??÷?è???ü1?2ì?é?ê??á??ú·§?ú????oí·'ó|?è?é????á??óD?ê?í¨3??a??è?·¨à?
1?3?í¨??·??§?oDN15??200mm
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GB/T 12239-1989
MSS-SP-88-1988
ISO 5752-1988
BS 5156-1985
|
|
8
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?á11??'?????±????ù???ü?eò??¨???úá÷oí???o?é?ê?1á|2¨???è×÷ó???á??ó·?ê?í¨3??a?Y??á??ó
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GB/T 12239-1989
MSS-SP-88-1988
ISO 5752-1988
BS 5156-1985
|