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经营范围
发明名称
Improvements in or relating to guttering
摘要
申请公布号
GB941052(A)
申请公布日期
1963.11.06
申请号
GB19600010489
申请日期
1960.03.24
申请人
LEONARD PERCIVAL SMITH
发明人
分类号
E04D13/064
主分类号
E04D13/064
代理机构
代理人
主权项
地址
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