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发明名称
VORRICHTUNG ZUM ERMITTLUNG DER FRUCHTBAREN UND UNFRUCHTBAREN TAGE EINES MENSTRUATIONSZYKLUS
摘要
申请公布号
DE6944644(U)
申请公布日期
1970.07.02
申请号
DE19690044644U
申请日期
1969.11.17
申请人
METZGER, MANFRED
发明人
METZGER, MANFRED
分类号
主分类号
代理机构
代理人
主权项
地址
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