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发明名称
VORRICHTUNG ZUR DAMPF- UND RAUCHDICHTEN EINFUEHRUNG EINER FAHRSCHIENE DURCH EINE TUEROEFFNUNG.
摘要
申请公布号
DE1665170(U)
申请公布日期
1953.10.15
申请号
DE195300B1761U
申请日期
1953.01.31
申请人
LUDWIG BRUEMMENDORF
发明人
LUDWIG BRUEMMENDORF
分类号
主分类号
代理机构
代理人
主权项
地址
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