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发明名称
ANORDNING VID GOLVBRUNNAR
摘要
申请公布号
FI57813(C)
申请公布日期
1980.10.10
申请号
FI19750000156
申请日期
1975.01.22
申请人
SPAONBERG BENGT
发明人
IDSAETER ERIC
分类号
E03F5/20;E03F5/04;(IPC1-7):E03F5/04
主分类号
E03F5/20
代理机构
代理人
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