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经营范围
发明名称
Structural materials having one or more cellular or embossed courses or layers
摘要
申请公布号
GB763436(A)
申请公布日期
1956.12.12
申请号
GB19520020487
申请日期
1952.08.14
申请人
JOSEF PFISTERSHAMMER
发明人
分类号
E04C2/32;E04D3/24;E04D3/35;F41H5/02;F41H5/04
主分类号
E04C2/32
代理机构
代理人
主权项
地址
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