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发明名称
Ventil
摘要
申请公布号
DE559373(C)
申请公布日期
1932.09.19
申请号
DE1928R074529D
申请日期
1928.05.04
申请人
EMMERAN RIEDMEIER
发明人
分类号
F01L3/02;F16K25/02
主分类号
F01L3/02
代理机构
代理人
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