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经营范围
发明名称
Roofing tile
摘要
申请公布号
US2482835(A)
申请公布日期
1949.09.27
申请号
US19450634214
申请日期
1945.12.11
申请人
BREMER WILLIAM S
发明人
BREMER WILLIAM S.
分类号
E04D1/06
主分类号
E04D1/06
代理机构
代理人
主权项
地址
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