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发明名称
Improvements in or relating to roof covering materials
摘要
申请公布号
GB1039094(A)
申请公布日期
1966.08.17
申请号
GB19620018989
申请日期
1962.10.01
申请人
VULCANITE LIMITED
发明人
GRAHAM JOHN BRISTOW MINISS
分类号
E04D5/12;E04D13/17
主分类号
E04D5/12
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