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经营范围
发明名称
Schwerkraftdavit
摘要
申请公布号
DE748869(C)
申请公布日期
1944.11.10
申请号
DE1941SC23286D
申请日期
1941.09.26
申请人
发明人
分类号
B63B23/04
主分类号
B63B23/04
代理机构
代理人
主权项
地址
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