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经营范围
发明名称
Deckenbalken
摘要
申请公布号
DE590503(C)
申请公布日期
1934.01.04
申请号
DE1932SC97819D
申请日期
1932.05.18
申请人
FRANZ SCHRAMM
发明人
分类号
E04C3/22
主分类号
E04C3/22
代理机构
代理人
主权项
地址
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