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发明名称
Dispositif de régulation
摘要
申请公布号
FR719433(A)
申请公布日期
1932.02.05
申请号
FRD719433
申请日期
1931.07.02
申请人
GROUVELLE ARQUEMBOURG
发明人
分类号
G05D23/185
主分类号
G05D23/185
代理机构
代理人
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