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发明名称
Roof drain
摘要
申请公布号
US2091927(A)
申请公布日期
1937.08.31
申请号
US19350049999
申请日期
1935.11.15
申请人
JOSAM MANUFACTURING COMPANY
发明人
HIRSHSTEIN JOSEPH
分类号
E04D13/04
主分类号
E04D13/04
代理机构
代理人
主权项
地址
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