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GB/T 12840-1996 Reliability requirements and testing methods for tape transport mechanism of cassette tape recorders via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 3320.4-1982 Rumble measurement test record (USD) via email in 1-3 business day
GB/T 14001-1992 Time and control code for video recording via email in ABOLISHED please email coc@codeofchina.com for quotation
GB/T 3320.2-1982 Tracking ability and channel separation test record (USD) via email in 1-3 business day
GB/T 13187-1991 Magnetic tape sound recording and reproducing systems-General conditions and requirements via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 4013-1995 Terminology for audio and video recording via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 12165-1998 Reliability requirements and testing methods for cassette tape recorders via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 14855-1993 General specification of quality for pre-recorded audio cassette via email in 1-3 business day please email coc@codeofchina.com for quotation
GB/T 1778.2-1989 Measuring methods for characteristics of monophonic broadcast tape recorder (USD) via email in 1-3 business day ABOLISHED
GB/T 6448-1986 Methods of measurement for artificial reverberation equipment (USD) via email in 1-3 business day ABOLISHED
GB/T 15526-1995 PCM encoder/decoder system for audio recording via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 9029-2011 Methods of the measurement of speed fluctuations in sound recording and reproducing equipment (USD) via email in 1-3 business day VALID
GB 12021.8-1989 The limited value of efficiency and methods of measurement on radio receivers and recorder (USD) via email in 1-3 business day ABOLISHED
GB/T 2018-1987 Methods of measuring the characteristics of recording and reproducing equipment for sound on magnetic tape (USD) via email in 1-3 business day ABOLISHED
GB/T 3791-1999 Cassette for tape records dimensions and mechanical characteristics via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 1782-1989 Hub and reel spool of broadcast audio tape (USD) via email in 1-3 business day
GB/T 2019-1987 Fundamental parameters and technical requirements for audio tape recorders (USD) via email in 1-3 business day VALID
GB/T 3320.1-1987 Frequency response test record (USD) via email in 1-3 business day
GB/T 12841-2000 Generic specification for the transport mechanism of cassette tape recorders (USD) via email in 1-3 business day VALID
GB/T 5440-1985 Stereophonic broadcast magnetic recorder (USD) via email in 1-3 business day
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