Стеклопакетов
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Multiple-walled Insulating Units of Glass, a.k.a. insulated glass (IG), adopt two pieces or more of glass. By tying up with metal bar frames, the glass is separated and forms airtight spaces with sea
|
|
|
Стеклопакетов
|
|
Multiple-walled Insulating Units of Glass, a.k.a. insulated glass (IG), adopt two pieces or more of glass. By tying up with metal bar frames, the glass is separated and forms airtight spaces with sea
|
|
|
Стеклопакетов
|
|
Multiple-walled Insulating Units of Glass, a.k.a. insulated glass (IG), adopt two pieces or more of glass. By tying up with metal bar frames, the glass is separated and forms airtight spaces with sea
|
|