Telephone network and isdn - operation, numbering, routing and mobile service (Recommendations E.100-E.333)/
13
Main Authors: | , , |
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Format: | |
Published: |
Geneva : ITU,
1989
|
Subjects: |
Summary: | 13 |
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13
Main Authors: | , , |
---|---|
Format: | |
Published: |
Geneva : ITU,
1989
|
Subjects: |
Summary: | 13 |
---|