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EP0004486
European procedure
Extract from the Register of European Patents
EP Citations: EP0004486
| Cited in | Search | Type: | Patent literature | Publication No.: | FR2200535
[ ] (POST OFFICE [GB]); | Type: | Patent literature | Publication No.: | DE2507648
[A] (SIEMENS AG); | Type: | Patent literature | Publication No.: | DE2509547
[ ] (SIEMENS AG); | Type: | Patent literature | Publication No.: | DE2511019
[A] (SIEMENS AG); | Type: | Patent literature | Publication No.: | DE2519050
[ ] (AEG TELEFUNKEN KABELWERKE); | Type: | Patent literature | Publication No.: | DE2615312
[A] (AEG TELEFUNKEN KABELWERKE); | Type: | Patent literature | Publication No.: | FR2358666
[ ] (LIGNES TELEGRAPH TELEPHON [FR]) |