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经营范围
发明名称
Gutter hanger
摘要
申请公布号
US1997663(A)
申请公布日期
1935.04.16
申请号
US19310573387
申请日期
1931.11.06
申请人
BERGER BROS. COMPANY
发明人
USINGER HENRY E.
分类号
E04D13/072
主分类号
E04D13/072
代理机构
代理人
主权项
地址
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