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发明名称
Sink grating
摘要
申请公布号
CZ1976(U1)
申请公布日期
1994.08.17
申请号
CZ19940002240U
申请日期
1994.04.20
申请人
HRDY JIRI
发明人
HRDY JIRI
分类号
E03C1/186;E03C1/26;(IPC1-7):E03C001/186;E03C001/26
主分类号
E03C1/186
代理机构
代理人
主权项
地址
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