TY  - BOOK
AU  - 
AU  - 
ED  - United States.
ED  - United States 
TI  - National metrology standards, systems
U1  -  621.374 23rd ed.
PY  - 1975///
CY  - Washington, D. C.
PB  - The Department
KW  - Engineering instruments
KW  - Measuring instrumentsc
N1  - Agrement between the United States of America and the Pepuslic of Korea
ER  -