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发明名称
IMPROVEMENTS IN WALLBOARDS
摘要
申请公布号
IE37115(B1)
申请公布日期
1977.05.11
申请号
IE19730000071
申请日期
1973.01.17
申请人
REARDON J
发明人
分类号
E04C2/24;E04F13/08;(IPC1-7):B32B11/00;B32B13/12;B32B19/08;B32B21/08;B32B31/12;B32B5/18;B32B5/24
主分类号
E04C2/24
代理机构
代理人
主权项
地址
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