NS EN 2155-7 Ed. 1 (1997)现行
Aerospace Series - Test Methods For Transparent Materials For Aircraft Glazing - Part 7: Determination Of Optical Deviation
出版：Norwegian Standards (Norges Standardiseringsforbund)
专家解读视频
Defines the method for determining the optical deviation caused to a beam of light passing through a transparent element material perpendicular to the optical axis of the system.
UNE EN 2155-7:1998 - Identical
SS EN 2155-7 Ed. 1 (1997) - Identical
I.S. EN 2155-7:1998 - Identical
UNI EN 2155-7:1998 - Identical
NF EN 2155-7:1997 - Identical
NBN EN 2155-7:1997 - Identical
ONORM EN 2155-7:1997 - Identical
DIN EN 2155-7 (1997-09) - Identical
BS EN 2155-7:1997 - Identical
NEN EN 2155-7:1997 - Identical
