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经营范围
发明名称
IMPROVED FLUID DISPLACING BLADE
摘要
申请公布号
EP0975516(A1)
申请公布日期
2000.02.02
申请号
EP19980913431
申请日期
1998.04.08
申请人
LEUNG, CHI KEUNG
发明人
LEUNG, CHI KEUNG
分类号
B63H1/18;B63H1/26;B63H1/28;(IPC1-7):B63H1/26;B64C11/16
主分类号
B63H1/18
代理机构
代理人
主权项
地址
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