Difference values between free-field and pressure sensitivity levels for φ23.77mm standard condenser microphones

SJ/Z 9149-1987 Difference values between free-field and pressure sensitivity levels for φ23.77mm standard condenser microphones
Standard No.:	SJ/Z 9149-1987	Status:	VALID remind me the status change Email:
Target Language:	English	File Format:	PDF
Word Count:	1500 words	Translation Price:	85 (USD) remind me the price change Email:
Implemented on:	1988-01-06	Delivery:	via email in 1 business day
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Standard No.:	SJ/Z 9149-1987
Chinese Name:	φ23.77mm标准电容传声器的自由场灵敏度级和声压灵敏度级之间的差值
English Name:	Difference values between free-field and pressure sensitivity levels for φ23.77mm standard condenser microphones
Professional Classification:	H01 Technical management
Professional Classification:	SJ Professional Standard - Electronics
Issued by:	MIIT
Issued on:	1988-01-06
Implemented on:	1988-01-06
Status:	VALID
Target Language:	English
File Format:	PDF
Word Count:	1500 words
Translation Price:	85 (USD)
Delivery:	via email in 1 business day

SJ/Z 9149-1987 The following standards are cited：

SJ/Z 9149-1987 Cited by the following standards：