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发明名称
Aufzugsvorrichtung fuer eine nach unten oeffnende Lukenklappe
摘要
申请公布号
DE1509300(B1)
申请公布日期
1971.02.11
申请号
DE19631509300
申请日期
1963.04.10
申请人
FRANK GMBH WILH
发明人
FRANK WILHELM
分类号
E04F11/04
主分类号
E04F11/04
代理机构
代理人
主权项
地址
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