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发明名称
Perfectionnements aux épiscopes
摘要
申请公布号
FR1164232(A)
申请公布日期
1958.10.07
申请号
FRD1164232
申请日期
1956.07.25
申请人
发明人
TOUZET GEORGES
分类号
G03B21/08
主分类号
G03B21/08
代理机构
代理人
主权项
地址
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