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发明名称
Gutter support and method of making same
摘要
申请公布号
US2219874(A)
申请公布日期
1940.10.29
申请号
US19390305033
申请日期
1939.11.17
申请人
MAX RACHLIN
发明人
RACHLIN MAX
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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