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发明名称
Improvements in or relating to building fittings
摘要
申请公布号
GB672304(A)
申请公布日期
1952.05.21
申请号
GB19490031409
申请日期
1949.12.07
申请人
WILLIAM BRIGGS & SONS LIMITED;GEORGE ARTHUR MARCH
发明人
分类号
E04B1/62
主分类号
E04B1/62
代理机构
代理人
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