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发明名称
Sanitary and self-cleansing trap
摘要
申请公布号
US1951253(A)
申请公布日期
1934.03.13
申请号
US19310578556
申请日期
1931.12.02
申请人
ODENKIRK HARRY C
发明人
ODENKIRK HARRY C.
分类号
E03C1/29
主分类号
E03C1/29
代理机构
代理人
主权项
地址
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