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发明名称
Leichtbaustein mit Aussparungen
摘要
申请公布号
DE873129(C)
申请公布日期
1953.04.09
申请号
DE1942G003788D
申请日期
1942.11.11
申请人
GEYER KARL
发明人
GEYER KARL
分类号
E04B2/02;E04B2/42
主分类号
E04B2/02
代理机构
代理人
主权项
地址
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