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发明名称
ABSCHLUSS VON HOHLKOERPERN, INSBESONDERE ROHREN.
摘要
申请公布号
DE1611465(U)
申请公布日期
1950.08.10
申请号
DE195000SC389U
申请日期
1950.04.26
申请人
ERICH SCHULZ
发明人
ERICH SCHULZ
分类号
主分类号
代理机构
代理人
主权项
地址
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