HD 455-1985
Sound Transmission Using Infra-Red Radiation
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HD 455-1985
Standard No.
HD 455-1985
Release Date
1985
Published By
European Committee for Electrotechnical Standardization(CENELEC)
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HD 455-1985
HD 455-1985 history
1985
HD 455-1985
Sound Transmission Using Infra-Red Radiation
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