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摘要
申请公布号
JPS56147401(A)
申请公布日期
1981.11.16
申请号
JP19800050440
申请日期
1980.04.18
申请人
HITACHI LTD
发明人
KOBAYASHI SHIGEO
分类号
H01C1/082;H01C7/00
主分类号
H01C1/082
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代理人
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Respiratory function monitor especially for very young children - employs differential amplifier for compensation of extraneous interference with breathing sounds filtered and recorded graphically.
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