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经营范围
发明名称
Baustein unsymmetrischer Form
摘要
申请公布号
DE802715(C)
申请公布日期
1951.02.22
申请号
DE1948P010321
申请日期
1948.10.02
申请人
KUEHNE WILLY
发明人
KUEHNE WILLY
分类号
E04B2/02;E04B2/12;E04B2/28
主分类号
E04B2/02
代理机构
代理人
主权项
地址
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