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发明名称
ROHRSEGMENT.
摘要
申请公布号
DE1642227(U)
申请公布日期
1952.08.14
申请号
DE195200J1574U
申请日期
1952.01.07
申请人
FRIEDRICH JACOB & SOEHNE
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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