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发明名称
AIR ADMITTANCE VALVE FOR SANITARY WASTE PIPE SYSTEM
摘要
申请公布号
KR100759250(B1)
申请公布日期
2007.09.17
申请号
KR20017009706
申请日期
2001.08.01
申请人
发明人
分类号
E03C1/295
主分类号
E03C1/295
代理机构
代理人
主权项
地址
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