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发明名称
BUILDING ELEMENT
摘要
申请公布号
ZA8203001(B)
申请公布日期
1983.03.30
申请号
ZA19820003001
申请日期
1982.05.03
申请人
JOUBERT DEREK
发明人
JOUBERT DEREK
分类号
E04B
主分类号
E04B
代理机构
代理人
主权项
地址
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