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发明名称
摘要
申请公布号
DE8901754(U1)
申请公布日期
1989.03.30
申请号
DE19890001754U
申请日期
1989.02.15
申请人
SCHIEFEN, GUENTER, 5208 EITORF, DE
发明人
分类号
F16L55/07
主分类号
F16L55/07
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代理人
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