
Ultrasonics. Power measurement. Radiation force balances and performance requirements
出版:British Standards Institution

专家解读视频
2007 [31/10/2007]1995 AMD 10021 [15/06/1998]1995 [15/02/1995]
© British Standards Institution 2013
NBN EN 61161:2007 - Identical
UNE EN 61161:1996 - Identical
SS EN 61161 Ed. 2 (2008) - Identical
NF EN 61161:2008 - Identical
SN EN 61161 - Identical
DIN EN 61161 (2007-09) - Identical
IEC 61161 Ed. 2.0 - Identical
I.S. EN 61161:2007 - Identical
NF EN 61161:1994 - Identical
SS EN 61161:1995 - Identical