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发明名称
Guetteur électrique
摘要
申请公布号
FR848308(A)
申请公布日期
1939.10.26
申请号
FRD848308
申请日期
1938.07.01
申请人
发明人
MESTRE LOUIS, NICOLAS;MINOT GEORGES, PAUL
分类号
H04M1/04
主分类号
H04M1/04
代理机构
代理人
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地址
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