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发明名称
CHANNEL WEDGE-SHAPED PROP
摘要
申请公布号
PL363552(A1)
申请公布日期
2005.05.30
申请号
PL20030363552
申请日期
2003.11.19
申请人
IWANOWICZ ROMAN
发明人
IWANOWICZ ROMAN
分类号
E21D11/00
主分类号
E21D11/00
代理机构
代理人
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地址
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