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发明名称
IMPROVEMENTS IN OR RELATING TO STETHOSCOPES
摘要
申请公布号
GB1205569(A)
申请公布日期
1970.09.16
申请号
GB19660050427
申请日期
1966.10.10
申请人
E.M.I. E L E C T R O N I C S (CANADA) LIMITED
发明人
BERTRAND JULIAN STARKEY;ROBERT JOHN FELIX EDWARDS
分类号
A61B7/04;H04R3/00
主分类号
A61B7/04
代理机构
代理人
主权项
地址
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