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发明名称
Doseur pour tous gaz
摘要
申请公布号
FR856770(A)
申请公布日期
1940.08.07
申请号
FRD856770
申请日期
1939.03.10
申请人
发明人
RICHARD
分类号
F02M13/08
主分类号
F02M13/08
代理机构
代理人
主权项
地址
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