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发明名称
Wireless sensing system for the amount of toilet paper
摘要
申请公布号
KR20080004883(U)
申请公布日期
2008.10.23
申请号
KR20070006536U
申请日期
2007.04.20
申请人
发明人
分类号
G08C17/00;A47K10/34;G08C17/02;G08C19/00
主分类号
G08C17/00
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