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发明名称
摘要
申请公布号
FR2462637(B3)
申请公布日期
1983.07.08
申请号
FR19790019642
申请日期
1979.07.31
申请人
SIGMA KONCERN
发明人
分类号
F16K1/32;F16K31/50;F16K41/10;(IPC1-7):F16K31/50
主分类号
F16K1/32
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