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发明名称
摘要
申请公布号
DE8910274(U1)
申请公布日期
1989.11.30
申请号
DE19890010274U
申请日期
1989.08.28
申请人
WEH, ERWIN;WEH, WOLFGANG, 7918 ILLERTISSEN, DE
发明人
分类号
F16L37/12
主分类号
F16L37/12
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