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发明名称
Improvements in or relating to connections of beams for framework
摘要
申请公布号
GB563716(A)
申请公布日期
1944.08.28
申请号
GB19420011069
申请日期
1942.08.07
申请人
CARL EUGEN DUNZ
发明人
分类号
E04B1/26
主分类号
E04B1/26
代理机构
代理人
主权项
地址
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