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        Division I has been through the elevator for goods SAS20 series of anti falling safety device test
        Date:2012-6-1    Views:3317
        Division I has been through the elevator for goods SAS20 series of anti falling safety device type test, and from the type test certificate, this series of safety device is mainly used for Longmen and derrick material hoist anti broken rope protection device, mainly used for low floor construction.

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