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经营范围
发明名称
ROOF DRAIN
摘要
申请公布号
US3529723(A)
申请公布日期
1970.09.22
申请号
USD3529723
申请日期
1968.11.07
申请人
CHARLES L. HAGEDORN;WADE INTERN. LTD.
发明人
CHARLES L. HAGEDORN
分类号
E04D13/04;(IPC1-7):E03F5/14
主分类号
E04D13/04
代理机构
代理人
主权项
地址
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