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经营范围
发明名称
Draenageanlage
摘要
申请公布号
DE915037(C)
申请公布日期
1954.07.15
申请号
DE1949ST00252
申请日期
1949.11.18
申请人
CARL STEIN
发明人
STEIN CARL
分类号
E02B11/00
主分类号
E02B11/00
代理机构
代理人
主权项
地址
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