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经营范围
发明名称
IMPROVEMENTS IN OR RELATING TO BUILDING BLOCKS
摘要
申请公布号
HK43883(A)
申请公布日期
1983.10.28
申请号
HK19830000438
申请日期
1983.10.20
申请人
LIN WEN-PIN
发明人
分类号
A63H33/08;(IPC1-7):A63H33/08;A63H33/10
主分类号
A63H33/08
代理机构
代理人
主权项
地址
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