GB/T 11455-1989

Hearing aid equipment not entirely worn on the listener

STANDARD published on 4.7.1989

English, Chinese -
electronic design (pdf) (198.80 USD)

The information about the standard:

Designation standards: GB/T 11455-1989
Note: WITHDRAWN
Publication date standards: 4.7.1989
Country: Chinese technical standard
Category: Technical standards GB