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发明名称
CHANNEL TYPE WEDGED PROP
摘要
申请公布号
PL301977(A1)
申请公布日期
1995.07.24
申请号
PL19940301977
申请日期
1994.01.19
申请人
IWANOWICZ ROMAN;KOWINA WALDEMAR;MACIUGA ALOJZY;MROCHEN KRYSTIAN;WEGRZYN JAN;SZWARCER BERNARD
发明人
IWANOWICZ ROMAN;KOWINA WALDEMAR;MACIUGA ALOJZY;MROCHEN KRYSTIAN;WEGRZYN JAN;SZWARCER BERNARD
分类号
E21D15/00;E21D15/28;(IPC1-7):E21D15/00
主分类号
E21D15/00
代理机构
代理人
主权项
地址
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