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发明名称
Wassertragflaeche
摘要
申请公布号
DE946511(C)
申请公布日期
1956.08.02
申请号
DE1954V006839
申请日期
1954.02.11
申请人
K. VERTENS
发明人
VERTENS HEINRICH FRIEDRICH
分类号
B63B1/20;B63B1/24
主分类号
B63B1/20
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