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- 피팅 표기 및 TYPE The last example for ferrous alloys is SA-403, a fitting specification. the requirements of ANSI B16.9, B16.11, B16.28 or MSS Std.
- The meaning of colors I was told it was an art project, but what I noticed in Korea is that there is a lot of green in public Black is worn to funerals, for example to show mourning. People wear green on St. Patrick’s Day.
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