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发明名称
Improved device for fastening slates and like tiles on roofs
摘要
申请公布号
GB575983(A)
申请公布日期
1946.03.13
申请号
GB19440008127
申请日期
1944.05.01
申请人
WILLIAM MATTHEWS
发明人
分类号
E04D1/34
主分类号
E04D1/34
代理机构
代理人
主权项
地址
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