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经营范围
发明名称
Hohlraumstein
摘要
申请公布号
AT278319(B)
申请公布日期
1970.01.26
申请号
AT19670004474
申请日期
1967.05.12
申请人
WALTER SEEBERGER BETONSTEINWERKE
发明人
分类号
E04C
主分类号
E04C
代理机构
代理人
主权项
地址
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