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Terminal Equipment (TE) - Telephony for the hearing impaired - Electrical coupling of telephone sets to hearing aids
STANDARD published on 1.8.1997
Designation standards: ČSN ETS 300679-ed.1
Classification mark: 877565
Catalog number: 22335
Publication date standards: 1.8.1997
SKU: NS-172086
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
1.7.1997
1.7.1997
1.7.1997
1.9.1997
1.9.1997
1.1.1998
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