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发明名称
SUPPORT STRUCTURE
摘要
申请公布号
GB1370057(A)
申请公布日期
1974.10.09
申请号
GB19720022465
申请日期
1972.05.12
申请人
WALLIN K L
发明人
分类号
E01C13/04;E01D15/14;E02B3/06;E04H3/10;(IPC1-7):A63B67/02
主分类号
E01C13/04
代理机构
代理人
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