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发明名称
Improvements in or relating to infill materials
摘要
申请公布号
GB2087939(A)
申请公布日期
1982.06.03
申请号
GB19810032828
申请日期
1981.10.30
申请人
ROBERTS PETER PROSSER
发明人
分类号
D06M11/155;D06M11/47;D06M11/74;D06M13/08;E21F15/04;(IPC1-7):D06M3/00;E04B1/94;F16L59/05
主分类号
D06M11/155
代理机构
代理人
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地址
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