What does IGSN 71 stand for?
IGSN 71 stands for "International Gravity Standardization Net 1971"
How to abbreviate "International Gravity Standardization Net 1971"?
"International Gravity Standardization Net 1971" can be abbreviated as IGSN 71
What is the meaning of IGSN 71 abbreviation?
The meaning of IGSN 71 abbreviation is "International Gravity Standardization Net 1971"
What does IGSN 71 mean?
IGSN 71 as abbreviation means "International Gravity Standardization Net 1971"
