 Noto Sans CJK: U+2252 APPROXIMATELY EQUAL TO OR THE IMAGE OF appears larger than its sisters at U+2250..2253

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Customer report:

==========
U+2252 APPROXIMATELY EQUAL TO OR THE IMAGE OF appears larger than its sisters 
at U+2250..2253. They are expected to be consistent in size.
==========
```

Original issue reported on code.google.com by `xian...@google.com` on 29 May 2015 at 10:44
