Coupling

• CSF-A13 expansion joint sleeve (JB/T7934-1999)
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• CSF-A13 expansion joint sleeve (JB/T7934-1999)
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• CSF-A14 expansion joint sleeve (JB/T7934-1999)
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• CSF-A15 expansion joint sleeve (JB/T7934-1999)
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• CSF-A20 expansion joint sleeve (JB/T7934-1999)
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• CSF-A17 expansion joint sleeve (JB/T7934-1999)
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• CSF-A16 expansion joint sleeve (JB/T7934-1999)
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• CSF-A18 expansion joint sleeve (JB/T7934-1999)
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• CSF-A19A type expansion coupling sleeve (JB/T7934-1999)
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• CSF-A19B expansion joint sleeve (JB/T7934-1999)
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