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发明名称
Grossflaechenschaltung
摘要
申请公布号
DE1684412(A1)
申请公布日期
1971.04.08
申请号
DE19671684412
申请日期
1967.01.23
申请人
ROETHLIN,WALTER
发明人
ROETHLIN,WALTER
分类号
E04G11/12;E04G17/065
主分类号
E04G11/12
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