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发明名称
Doppelschütz
摘要
申请公布号
AT191803(B)
申请公布日期
1957.09.25
申请号
ATD191803
申请日期
1955.12.27
申请人
DORTMUNDER UNION BRUECKENBAU-AKTIENGESELLSCHAFT
发明人
分类号
主分类号
代理机构
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