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发明名称
Drainage control system
摘要
申请公布号
US2662536(A)
申请公布日期
1953.12.15
申请号
US19520323032
申请日期
1952.11.28
申请人
GENERAL ELECTRIC COMPANY
发明人
MARTINIAK LEONARD J.;DUSENBERRY JOHN W.
分类号
A47L15/06;A47L15/42
主分类号
A47L15/06
代理机构
代理人
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地址
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