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- Contact:孙铎盛
- Phone:0411-87585717
- Email:65281163@qq.com
- fax:0411-87585717
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Cable sealing module The main features of the building block cable penetration hole sealing device produced by Dalian Shengyu Technology Co., Ltd. are: 1. Superior performance: fire protection grade reaches A-60, instant burst resistance is not less than 2.6MPa, water tightness is not less than 2bar, air tightness Not less than 1bar
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2016-10-27 |
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