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经营范围
发明名称
Rueckstrahler
摘要
申请公布号
DE820405(C)
申请公布日期
1951.11.08
申请号
DE1949P030318
申请日期
1949.01.01
申请人
MINNESOTA MINING AND MANUFACTURING COMPANY
发明人
FISHER KENNETH WILMER;HELTZER HARRY
分类号
G02B5/128
主分类号
G02B5/128
代理机构
代理人
主权项
地址
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