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发明名称
Déviateur de rayons lumineux
摘要
申请公布号
FR864227(A)
申请公布日期
1941.04.22
申请号
FRD864227
申请日期
1939.11.28
申请人
发明人
LESCOURRET RAOUL
分类号
G01C3/12;G02B7/18;G02B17/02
主分类号
G01C3/12
代理机构
代理人
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地址
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