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经营范围
发明名称
Improvements in or relating to bolts
摘要
申请公布号
GB729684(A)
申请公布日期
1955.05.11
申请号
GB19530006546
申请日期
1953.03.10
申请人
MEFINA S. A.
发明人
分类号
E05B55/00
主分类号
E05B55/00
代理机构
代理人
主权项
地址
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