D55

D55 may refer to :

roads in various countries:
- D55 road (Croatia), a state route in Croatia
- D55 motorway (Czech Republic), a motorway in the Czech Republic
- D55 road (Nord), a "départementale" road in Nord département in France
HMAS Parramatta (D-55), a 1910 River class torpedo boat destroyer from the Australian Navy
two ships of the Royal Navy :
- HMS Smiter (D55), a 1943 Bogue-class auxiliary aircraft carrier
- HMS Finisterre (D55), a Battle-class destroyer
INS Ranvijay (D55), a 1988 Rajput class destroyer from the Indian Navy
CIE Standard Illuminant D55, a lighting standard used in colorimetry

and also:

Robertson Field (North Dakota) FAA code
the ICD-10 code for an anaemia due to enzyme disorders
New South Wales D55 class locomotive, a NSWGR steam locomotive

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