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发明名称
PIPETTEN-SPUELGERAET.
摘要
申请公布号
DE1640746(U)
申请公布日期
1952.07.10
申请号
DE195200K8197U
申请日期
1952.04.25
申请人
JOHANN KOETTERMANN
发明人
JOHANN KOETTERMANN
分类号
主分类号
代理机构
代理人
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