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发明名称
ROHRDICHTSCHELLE MIT MEHRKAMMEREINLAGE.
摘要
申请公布号
DE1931387(U)
申请公布日期
1966.01.20
申请号
DE196500F9103U
申请日期
1965.11.13
申请人
LUDWIG FRISCHHUT
发明人
LUDWIG FRISCHHUT
分类号
主分类号
代理机构
代理人
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