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发明名称
Abdichtungsring aus Gummi oder gummiaehnlichem Material fuer Muffenrohre aus Steinzeug
摘要
申请公布号
DE1963917(A1)
申请公布日期
1971.06.24
申请号
DE19691963917
申请日期
1969.12.20
申请人
PHOENIX GUMMIWERKE AG
发明人
GRITZKA,WALDEMAR;BRACHT,BERND
分类号
F16L21/025
主分类号
F16L21/025
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代理人
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