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经营范围
发明名称
Prefabricated shingle corner unit
摘要
申请公布号
US2113303(A)
申请公布日期
1938.04.05
申请号
US19370182718
申请日期
1937.12.31
申请人
ALEXIS KIEFER
发明人
KIEFER ALEXIS
分类号
E04F13/14
主分类号
E04F13/14
代理机构
代理人
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