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(ÇØ´ç »çÀÌÆ®ÀÇ ´ã´çÀÚ²²¼­ ÀúÈñ ÀÚ·áÀÇ ¼öÁ¤ º¸¿Ï ¿ä±¸°¡ ÀÖÀ» ½Ã Áï½Ã ¹Ý¿µÇÏ¿© µå¸®°Ú½À´Ï´Ù.)

http://www.aci-int.org/
American Concrete Institute (ACI) ¹Ì±¹ ÄÜÅ©¸®Æ® ÇÐȸ
http://www.acppa.org/
American Concrete Pressure Pipe Association. (ACPPA). Æó¼ö󸮰øÁ¤ »ê¾÷¿¡ ÇÊ¿äÇÑ ÄÜÅ©¸®Æ® ÆÄÀÌÇÁ,½Ç¸°´õ,jointµî¿¡ ´ëÇÑ Á¤º¸ Á¦°ø.
http://www.aednet.org/
°Ç¼³ °ü·Ã °¢Á¾ Á¾ÇÕÁ¤º¸ Á¦°ø.
http://www.aesf.org/
American Electroplaters and Surface Finishers Society, Inc. (AESF)
http://www.wbma.org/
Western Building Material Association.

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