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经营范围
发明名称
SPERRELEMENT
摘要
申请公布号
DE69824606(D1)
申请公布日期
2004.07.22
申请号
DE19986024606
申请日期
1998.01.29
申请人
YODOCK, LEO J.;YODOCK, LEO J.;YODOCK, STEVEN J.
发明人
YODOCK, JR.;YODOCK, III;YODOCK, STEVEN J.
分类号
E01F15/08;(IPC1-7):E01F13/00
主分类号
E01F15/08
代理机构
代理人
主权项
地址
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