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发明名称
Ortsfeste Vorrichtung zur Kennzeichnung von Seeschiffahrtsstrassen
摘要
申请公布号
DE1634667(A1)
申请公布日期
1970.03.26
申请号
DE19661634667
申请日期
1966.04.19
申请人
FA.HELLMUT WULF
发明人
WULF,HELLMUT
分类号
E02B3/20
主分类号
E02B3/20
代理机构
代理人
主权项
地址
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