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经营范围
发明名称
Atemrohr fuer Tauchermasken
摘要
申请公布号
DE955751(C)
申请公布日期
1957.01.10
申请号
DE1954D018035
申请日期
1954.06.19
申请人
DRAEGERWERK, HEINR. & BERNH. DRAEGER
发明人
分类号
B63C11/16;B63C11/20
主分类号
B63C11/16
代理机构
代理人
主权项
地址
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