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经营范围
发明名称
Sewer trap
摘要
申请公布号
US1943690(A)
申请公布日期
1934.01.16
申请号
US19320637182
申请日期
1932.10.10
申请人
MORRISON ROBERT T;CROFT ROBERT J
发明人
MORRISON ROBERT T.;CROFT ROBERT J.
分类号
E03F5/046
主分类号
E03F5/046
代理机构
代理人
主权项
地址
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