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经营范围
发明名称
VERSCHLUSS FUER KONTROLLSTUTZEN IN MUEHLENROHRLEITUNGEN.
摘要
申请公布号
DE1688273(U)
申请公布日期
1954.12.02
申请号
DE195400J3692U
申请日期
1954.08.18
申请人
FRIEDRICH JACOB & SOEHNE
发明人
分类号
主分类号
代理机构
代理人
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地址
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