1、 i EUROPEAN COMMITTEE FOR ELECTROTECHNICAL STANDARDIZATION. CENELEC HARMONIZATION DOCUHENT ! B , -. 1. EID 123.6 S2 IEC 153-6 (1967 - Ist edition). Hollow metallic waveguides . Part 6. Relevant specification for medium flat- rectangular waveguides Amendment No. 1 (1977) I. .- This Harmonization Doc
2、ument was adoptedby CElkLEC on 1978-12-07. The National Elcctrotechnical Committees, members of CENELEC, in L A. B . CH D . DK E. * F I IRL .* . .i L . N NL P 6 . :. SF : Austria : Belgium : Switzerland : Germany : Denmark : Spain -: France : Ireland . : *Luxemburg : Norway : Netherlands : Portugal
3、 Sweden . .- : Finland : Italy *. Reference of the relevant . . National Harmonized Standards Overleaf UK . : United Kingdom are obliged, in accordance with the CENELEC Internal Regulations, to implement this Harmonization Document in their respective _ . a. - c o.un t r y by - - Issuing harmonizsd
4、 national standard(s) and/or - Withdrawing conflicting national standard(6) - Latest date of implementation 1980-01-01 . . L _. .I .I B: NOS / 1 CH : . ASE 3070-6.T970 D : NOS DK : NOS . I: CE1 46-2 (1970) IRL : NOS : NOS N. : NOS . m:. NEN 10 253-6 (1968) . NOS P -. S SEN 43 02 O1 (1968) SF : NOS . . UK : NOS _. L -. . NOS No national standard corresponding to the Parmonization Document SP Standard in preparation NR . Standard under revision. A dev National deviation due to regulations B dev National deviation due to particular technical req;trements 4 I for a transitional period