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发明名称
METHOD AND DEVICE FOR FOAMING BALLAST BEDS
摘要
申请公布号
EP2150652(A1)
申请公布日期
2010.02.10
申请号
EP20080748898
申请日期
2008.04.12
申请人
HENNECKE GMBH
发明人
PAWLIK, WOLFGANG;WIRTH, JUERGEN;PETERSOHN, ANDREAS
分类号
E01B1/00
主分类号
E01B1/00
代理机构
代理人
主权项
地址
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