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กับการพ่นกับ หลังคา,ผนังแต่ละชนิด ว่ามีความหนาเท่าไหร่ อยากทราบรายละเอียดครับ 

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    ฉนวนป้องกันเสียงเซลลูโลส(Cellulose acoustic insulation) การนำความร้อน 0.032 W/mk การต้านทานความร้อน 4.5078  BTU/ft2hroc


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By พัลลภ กุสาวดี Send  พัลลภ กุสาวดี เบอร์โทรศัพท์. 0815879750 2010-10-20 19:30:50 [IP : 124.121.49.xxx]

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