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发明名称
AUFPUMPHILFE BEI AUSGLEICHNABEN.
摘要
申请公布号
DE1695423(U)
申请公布日期
1955.03.24
申请号
DE195500I2446U
申请日期
1955.01.21
申请人
ENGELHARD LICHTENFELD
发明人
ENGELHARD LICHTENFELD
分类号
主分类号
代理机构
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