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发明名称
RIDGE UNIT FOR ROOFS
摘要
申请公布号
GB1253835(A)
申请公布日期
1971.11.17
申请号
GB19680033267
申请日期
1968.07.12
申请人
BP CHEMICALS INTERNATIONAL LIMITED;REDLAND TILES LIMITED
发明人
ROBERT HENRY GREENSMITH;RONALD ALFRED GEORGE POULTON
分类号
E04D3/40
主分类号
E04D3/40
代理机构
代理人
主权项
地址
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