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经营范围
发明名称
BIRTH CONTROL VALVE
摘要
In combination with a tube within a mammal which when opened is necessary to effect reproduction and when closed effects sterilization, a valve to be located within the tube which can be selectively opened and closed.
申请公布号
US3704704(A)
申请公布日期
1972.12.05
申请号
USD3704704
申请日期
1970.10.12
申请人
RAMON L. GONZALES
发明人
RAMON L. GONZALES
分类号
A61F6/24;(IPC1-7):A61B19/00
主分类号
A61F6/24
代理机构
代理人
主权项
地址
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