Precision method for pressure calibration of φ23.77mm standard condenser microphones by the reciprocity technique

SJ/Z 9147-1987 Precision method for pressure calibration of φ23.77mm standard condenser microphones by the reciprocity technique
Standard No.:	SJ/Z 9147-1987	Status:	VALID remind me the status change Email:
Target Language:	English	File Format:	PDF
Word Count:		Translation Price:	please email coc@codeofchina.com for quotation 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 9147-1987
Chinese Name:	采用互易技术对φ23.77mm标准电容传声器进行声压校准的精密方法
English Name:	Precision method for pressure calibration of φ23.77mm standard condenser microphones by the reciprocity technique
Issued by:
Issued on:	1988-01-06
Implemented on:	1988-01-06
Status:	VALID
Target Language:	English
File Format:	PDF
Word Count:
Translation Price:	please email coc@codeofchina.com for quotation
Delivery:	via email in 1 business day

SJ/Z 9147-1987 The following standards are cited：

SJ/Z 9147-1987 Cited by the following standards：