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World Metrology Day [Revised Calendar]
Curtis Head
October 24, 2021
Revised calendar world metrology day World Metrology Day - YouTube. World Metrology Day is an annual commemoration of the signature of th...
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![World Metrology Day [Revised Calendar]](https://i0.wp.com/i.pinimg.com/originals/54/af/9c/54af9cc45c7a40d0509f616f8f5d145b.jpg "World Metrology Day [Revised Calendar]")