BS EN 50056:1999被替代
Electrical apparatus for the detection and measurement of combustible gases. Performance requirements for Group I apparatus indicating up to 100% (V/V) methane in air
出版：British Standards Institution
专家解读视频
99 [15/01/1999]91 AMD 9077 [15/06/1996]91
© British Standards Institution 2013
SS EN 50056 Ed. 2 (1998) - Identical
UNE EN 50056:1999 - Identical
I.S. EN 50056:1998 - Identical
DIN EN 50056 (1999-07) - Identical
NF EN 50056:1992 - Identical
