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经营范围
发明名称
Tetningsring
摘要
申请公布号
NO300396(B1)
申请公布日期
1997.05.20
申请号
NO19900001011
申请日期
1990.03.02
申请人
FRIATEC AG KERAMIK- UND KUNSTSTOFFWERKE
发明人
LORENZ, HANS-JOACHIM
分类号
F16L21/02;F16L21/03;F16L47/06;F16L49/02;(IPC1-7):F16L21/02
主分类号
F16L21/02
代理机构
代理人
主权项
地址
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