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经营范围
发明名称
Perfectionnements aux engins éclairants
摘要
申请公布号
FR945080(A)
申请公布日期
1949.04.25
申请号
FRD945080
申请日期
1947.04.14
申请人
发明人
SCHERMULY CONRAD DAVID;SCHERMULY ALFRED JAMES;SCHERMULY CHARLES
分类号
B63B51/04;F42B4/26
主分类号
B63B51/04
代理机构
代理人
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地址
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