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发明名称
摘要
申请公布号
DE2751715(C3)
申请公布日期
1981.02.19
申请号
DE19772751715
申请日期
1977.11.19
申请人
PAULI WILLI;MENDEN LEO
发明人
BOUS, EWALD, 5340 BAD HONNEF
分类号
E03D1/012;E03D11/14;(IPC1-7):E03D1/012
主分类号
E03D1/012
代理机构
代理人
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