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发明名称
Connecting structure for beams of a roof support or the like
摘要
申请公布号
US2991100(A)
申请公布日期
1961.07.04
申请号
US19580782854
申请日期
1958.12.24
申请人
FIRMA EISENWERK WANHEIM G. M. B. H.
发明人
VANWERSCH ALOYS;DUSSELDORF BEZIRK;VANWERSCH PETER;VANWERSCH LUDWIG
分类号
E21D15/43;E21D17/086
主分类号
E21D15/43
代理机构
代理人
主权项
地址
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