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ROOM 3,27/F.,HO KING COMMERCIAL CENTER, NO.2-16 FA YUEN STREET, MONG KOK, KOWLOON HK
What is a micron?
2019-11-19
A micron a measurement equalling one millionth of a metre.
ROOM 3,27/F.,HO KING COMMERCIAL CENTER, NO.2-16 FA YUEN STREET, MONG KOK, KOWLOON HK
A micron a measurement equalling one millionth of a metre.
