EN 437-2003+A1-2009 测试气体, 测试压力与器具类型.pdf

Nederlandse norm n NEN-EN 437+A1 e e l l a s . (en) i n k e a t r n e o e l w s h Test gases - Test pressures - Appliance t e w e g n f d categories n a e s t e i t . i e d N m e p E r d o e N p u k l i t y c u e l n r m n o b o c e k i s n G u i e . r k e d b r r e o b e g w s e k t a l l r e h a e n t s w a N t n e E ï n N e n i g r e h o s t n i e o U w d v . k r t C r o s P o w m e w C o n t k e P n o n l e e a- a n e o r d n l e n i a v a e - o t s d e s u i n t a a n r t e n o Vervangt NEN-EN 437:2003; s c o f t n i NEN-EN 437:2003/Ontw. A1:2007 l d n e e e e e d s m p n u e o e e e l r s l b t u g h v y a l c n n e e a o s ICS 27.060.20; 91.140.40 l s a y n g n a e april 2009 e c a i e m l m s t y t l n r n a e a t e n m n m a u e u a c m c t o e s o e d l d g s p i p t e i o h u D t T s Dit document is door NEN onder licentie verstrekt aan: / This document has been supplied under license by NEN to: Kiwa Gastec Certification W.A. Buiter 2009/04/29 NEN-EN 437+A1 Als Nederlandse norm is aanvaard: - EN 473:2003+A1:2009,IDT Normcommissie 310193 Aardgas Apart from exceptions provided by the law, nothing from this Although the ut