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发明名称
SPATIAL CONTRACEPTIVE STEM PESSARY
摘要
申请公布号
PL262189(A1)
申请公布日期
1988.08.04
申请号
PL19860262189
申请日期
1986.11.03
申请人
发明人
分类号
A61F;(IPC1-7):A61F/
主分类号
A61F
代理机构
代理人
主权项
地址
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