What does YB mean in Railroads?
This page is about the meanings of the acronym/abbreviation/shorthand YB in the Regional field in general and in the Railroads terminology in particular.
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What does YB mean?
- ytterbium, Yb, atomic number 70(noun)
- a soft silvery metallic element; a rare earth of the lanthanide series; it occurs in gadolinite and monazite and xenotime