cam a22 1 4500 53485205X CHVBK 20181121091033.0 940828s1993 sz a 00 eng d (SNL)991003908219703976 (Sz)117466-41snl_51 (Sz)vtls000117466 (Sz)000117466 Sz SAZ European Computer Manufacturers Association (DE-588)24044-8 Private telecommunication networks specification, functional model and information flows : identification supplementary services (PTN ISSD) ECMA, European Computer Manufacturers Association 2nd ed. Geneva ECMA 1993. VI, 29 S. Ill. 30 cm. txt rdacontent n rdamedia nc rdacarrier Standard ECMA 148 1900074614 wne 681.31 snl local sb 1993/24 20 snl-sb Standard ECMA 148 SNL 110 2- European Computer Manufacturers Association (DE-588)24044-8 SNL 490 1- Standard ECMA 148 SNL 710 2- European Computer Manufacturers Association (DE-588)24044-8 SNL 830 -- Standard ECMA 148 BK020000 XK020000 XK020000 SNL NB001 NB001 Pq 16373/148 2. Aufl NB10011