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发明名称
DRAIN PORT PREVENTING BACK FLOW AND ODOR
摘要
申请公布号
JPS5862229(A)
申请公布日期
1983.04.13
申请号
JP19810158101
申请日期
1981.10.06
申请人
YAMADA SADAYUKI
发明人
YAMADA SADAYUKI
分类号
E03C1/298;E03C1/28
主分类号
E03C1/298
代理机构
代理人
主权项
地址
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