NOT KNOWN DETAILS ABOUT ห้องเย็น

The 1st patent for adaptable polyurethane foam preparation was received by Zaunbrecher and Barth in 1942. The versatile polyurethane foam was made through simultaneous polyurethane synthesis and gas technology by combining organic and natural toluene diisocyanate (TDI), aliphatic polyester, drinking water, and catalyst. Within this just one-stage s