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经营范围
发明名称
Improved hollow block
摘要
申请公布号
PHUM7235(Z)
申请公布日期
1991.07.01
申请号
PHUM11321U
申请日期
1990.10.16
申请人
AQUINO, SERAFIN G., JR.
发明人
AQUINO, SERAFIN G., JR.
分类号
E04B2/54;(IPC1-7):E04B2/54
主分类号
E04B2/54
代理机构
代理人
主权项
地址
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