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经营范围
发明名称
INTERLOCKING BUILDING BLOCK
摘要
申请公布号
CA543523(A)
申请公布日期
1957.07.16
申请号
CAD543523
申请日期
申请人
RUPER G. STEAD
发明人
RUPER G. STEAD
分类号
主分类号
代理机构
代理人
主权项
地址
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