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发明名称
Improvements in or relating to means for supporting tiles or slates on roofs
摘要
申请公布号
GB567067(A)
申请公布日期
1945.01.26
申请号
GB19430002577
申请日期
1943.02.16
申请人
NORMAN CLIFFORD JEPSON
发明人
分类号
E04B7/20
主分类号
E04B7/20
代理机构
代理人
主权项
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