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发明名称
VORRICHTUNG ZUR HERMETISCHEN ABDICHTUNG FUER FENSTER.
摘要
申请公布号
DE1750186(U)
申请公布日期
1957.08.08
申请号
DE195300B4147U
申请日期
1953.08.01
申请人
HELLMUT BERNHARDT
发明人
HELLMUT BERNHARDT
分类号
主分类号
代理机构
代理人
主权项
地址
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