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发明名称
Wetterluttenverbindung
摘要
申请公布号
DE742568(C)
申请公布日期
1943.12.07
申请号
DE1942SC25970D
申请日期
1942.10.25
申请人
JOHANNES SCHULTE KELLINGHAUS
发明人
KELLINGHAUS JOHANNES SCHULTE
分类号
E21F1/06
主分类号
E21F1/06
代理机构
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