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发明名称
Perfectionnements aux dispositifs réfléchissants auto-collimateurs
摘要
申请公布号
FR1000737(A)
申请公布日期
1952.02.15
申请号
FRD1000737
申请日期
1949.11.16
申请人
发明人
VOCANSON AUGUSTE
分类号
G02B5/126
主分类号
G02B5/126
代理机构
代理人
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