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发明名称
Kunstformstein und Verfahren zu seiner Herstellung.
摘要
申请公布号
CH144515(A)
申请公布日期
1931.01.15
申请号
CHD144515
申请日期
1930.04.13
申请人
RIETMANN,HERMANN;MEIER,HERMANN
发明人
RIETMANN,HERMANN;MEIER,HERMANN
分类号
E04B2/02;E04C1/40
主分类号
E04B2/02
代理机构
代理人
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地址
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