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发明名称
Gutter or roof drain
摘要
申请公布号
US1862134(A)
申请公布日期
1932.06.07
申请号
US19290387574
申请日期
1929.08.22
申请人
BOOSEY EDWARD W N
发明人
BOOSEY EDWARD W. N.
分类号
E04D13/04;E04D13/076;E04D13/08
主分类号
E04D13/04
代理机构
代理人
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地址
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