? ? ? ? In May 2003, "SZ-97 Vacuum Coating Coating (Oil)" won the "Third Prize of Guangdong Science and Technology Award" issued by the People's Government of Guangdong Province.
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? ? ? ? In May 2003, "SZ-97 Vacuum Coating Coating (Oil)" won the "Third Prize of Guangdong Science and Technology Award" issued by the People's Government of Guangdong Province.
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