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经营范围
发明名称
Rueckstrahler
摘要
申请公布号
DE596955(C)
申请公布日期
1934.05.14
申请号
DE1931ST48673D
申请日期
1931.12.06
申请人
EDMOND STUERTZ
发明人
分类号
G02B5/12
主分类号
G02B5/12
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代理人
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