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经营范围
发明名称
DRAINAGE PIPE
摘要
申请公布号
CA390979(A)
申请公布日期
1940.08.27
申请号
CAD390979
申请日期
申请人
THE METALLIC ROOFING COMPANY OF CANADA
发明人
GEORGE GORDON COMPLIN
分类号
主分类号
代理机构
代理人
主权项
地址
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