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发明名称
Drain apparatus
摘要
申请公布号
US2880425(A)
申请公布日期
1959.04.07
申请号
US19550540229
申请日期
1955.10.13
申请人
SCOVILL MANUFACTURING COMPANY
发明人
LENGYEL JOHN F.
分类号
E03C1/23;E03C1/232
主分类号
E03C1/23
代理机构
代理人
主权项
地址
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