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There are inflatable fireproof sealing materials at the joints of the wooden fireproof door frame and the door leaf in the refuge room.

Hardware fittings must be fireproof fittings. Maximum specification of wooden fire doors in refuge rooms: Class B single door 1100X2300(mm).

There are inflatable fireproof sealing materials at the joints of the wooden fireproof door frame and the door leaf in the refuge room.

Hardware fittings must be fireproof fittings. Maximum specification of wooden fire doors in refuge rooms: Class B single door 1100X2300(mm).

There are inflatable fireproof sealing materials at the joints of the wooden fireproof door frame and the door leaf in the refuge room.

Hardware fittings must be fireproof fittings. Maximum specification of wooden fire doors in refuge rooms: Class B single door 1100X2300(mm).

There are inflatable fireproof sealing materials at the joints of the wooden fireproof door frame and the door leaf in the refuge room.

Hardware fittings must be fireproof fittings. Maximum specification of wooden fire doors in refuge rooms: Class B single door 1100X2300(mm).