What does NNGC stand for?
NNGC stands for "National Narrow Gauge Convention"
How to abbreviate "National Narrow Gauge Convention"?
"National Narrow Gauge Convention" can be abbreviated as NNGC
What is the meaning of NNGC abbreviation?
The meaning of NNGC abbreviation is "National Narrow Gauge Convention"
What does NNGC mean?
NNGC as abbreviation means "National Narrow Gauge Convention"
