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发明名称
避孕、受孕两用计算器
摘要
一种供计划生育用的避孕、受孕两用计算器,包括两个直径等同的圆形底盘,和一个直径小于两个底盘一厘米的圆形面盘。在两个底盘周围圆边上分别有日期标记,而在面盘上有月经期、前干燥期,湿润期和后干燥期标记,两个底盘和一个面盘的圆心由一活动钉对准,使面盘和两底盘可以用手随意推动。在使用时,将底盘对好本月与下月的月份日期,再将面盘上月经的特殊标记对准底盘本次月经来潮的第一天,即可计算出避孕安全期和受孕期最佳时机。
申请公布号
CN86210475U
申请公布日期
1987.11.18
申请号
CN86210475
申请日期
1986.12.17
申请人
陈贺忠
发明人
陈贺忠
分类号
G06C3/00
主分类号
G06C3/00
代理机构
代理人
主权项
1、一种由两个圆形底盘和一个面盘组成的避孕、受孕两用计算器、其特征在于两底盘周围圆边上分别有日期标记;面盘上有月经期、前干燥期、湿润期和后干燥期标记。
地址
黑龙江省佳木斯医学院科研处
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