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发明名称
Kalottenfoermige, mit ihrem unteren Rande auf der Buckelplatte satt aufliegende Kieshaube
摘要
申请公布号
DE567849(C)
申请公布日期
1933.01.10
申请号
DENDATD061431D
申请日期
申请人
DORTMUNDER BRUECKENBAU C. H. JUCHO
发明人
分类号
E01D19/08
主分类号
E01D19/08
代理机构
代理人
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地址
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