2002-2005 연혁
Acquired certificate of enterprise institute(20041093)
New technology 376(Ministry of Construction and Transportation)
Took out a patent (0256450)
Rubber asphalt water proofing material which contain bentonite and manufacture method
2002-2005 연혁
New technology 376(Ministry of Construction and Transportation)
Rubber asphalt water proofing material which contain bentonite and manufacture method
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