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经营范围
发明名称
INTRAUTERINE CONTRACEPTIVE DEVICES
摘要
申请公布号
GB1600717(A)
申请公布日期
1981.10.21
申请号
GB19780022100
申请日期
1978.05.24
申请人
NATIONAL RESEARCH DEVELOPMENT CORP
发明人
分类号
A61F6/18;(IPC1-7):A61F5/47
主分类号
A61F6/18
代理机构
代理人
主权项
地址
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