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91.11 Found MIKWANG PLANT
92.01 DAEWOO P.I.LTD. Reg.
92.08 DAEWOO A.C.LTD. Reg.
93.04 HCC(Halla Climate Control CORP.) Reg.
96.12 LG ELECTRONICS Reg.
97.12 LG I.S.CO.,LTD. Reg.
98.04 SAMSUNG ELECTRO-MECHANICS Reg.
98.04 LG産電Vietnam法人 輸出(塗裝,鍍金,皮膜設備)
98.05 中國山東大宇威海,靑島工場 輸出(洗涤,塗裝,鍍金設備)
98.11 DAEWOO CORPORATION Reg.

99.03 Conversion of the corporation called WASTECH
99.03 Found technology research institute
99.12 Dong-il Al. coating agent, cleaner application
00.01 Halla Climate Control CORP. coating agent appl'n
00.03 Move to BUSAN SASANG
00.06 MCC. coating agent applicaiton
00.10 With HCC joint patent application
00.12 HANJO CO.,LTD. Reg.
01.01 Korea Delphi A.S.CORP. Reg.
01.05 DHI coating agent application
01.06 SeAH Besteel CO.,LTD. Reg.

02.03 Renamed as WASTECH INSTITUTE CO.,LTD.
02.06 SAMSUNG CLIMATE CONTROL CO.,LTD. Reg.
02.12 KAC. cleaner applicaiton
03.01 Patent Reg. : Hydrophilic coating composition
03.02 Capstone Engineering LTD. Reg.
03.06 DAEHAN HEATING CO.,LTD. Reg.
03.10 KOREA FLANGE CO.,LTD. Reg.
03.10 SEOHAN INDUSTRIES CO.,LTD Reg.
04.01 Patent Reg.:Hydrophilic/Deodorizationcoatingcomp'.
04.06 中國 CAPSTONE(大蓮工場) 輸出(塗裝設備)
05.01 Patent Reg.:Method for fabricating hydrophilic coat
05.01 Patent Reg.:Heat exchanger for air-condition system