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经营范围
发明名称
Sheet-metal shingle
摘要
申请公布号
US1775930(A)
申请公布日期
1930.09.16
申请号
US19290368601
申请日期
1929.06.05
申请人
BOSQUET WILFRED J
发明人
BOSQUET WILFRED J.
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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