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发明名称
UNIVERSAL DEVICE FOR DETERMINING POSSIBLE CONCEPTION DATES
摘要
申请公布号
RU1772800(C)
申请公布日期
1992.10.30
申请号
SU19894716862
申请日期
1989.07.07
申请人
KHOMICHUK IVAN M,SU
发明人
KHOMICHUK IVAN M,SU
分类号
G06C3/00;G04G9/00
主分类号
G06C3/00
代理机构
代理人
主权项
地址
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