Device for reducing the number and severity of perineal tears during childbirth,申请号GB19670016242-传众专利搜索

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发明名称	Device for reducing the number and severity of perineal tears during childbirth
摘要
申请公布号	GB1127548(A)	申请公布日期	1968.09.18
申请号	GB19670016242	申请日期	1967.04.10
申请人	JOHN DUMERGUE CHARTERS;ROBERT STEPHAN WALKER	发明人
分类号	A61B17/42	主分类号	A61B17/42
代理机构		代理人
主权项
地址

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