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发明名称
IMPROVED BUILDING BOARD
摘要
申请公布号
GB1253506(A)
申请公布日期
1971.11.17
申请号
GB19700043018
申请日期
1970.09.08
申请人
PLASCHEM LIMITED
发明人
WILLIAM KEITH LINFORD RELPH
分类号
B32B27/00;E04C2/24
主分类号
B32B27/00
代理机构
代理人
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