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发明名称
METHOD AND STRUCTURE FOR SHORING A LATERAL FACE OF AN EXCAVATION
摘要
申请公布号
US3541798(A)
申请公布日期
1970.11.24
申请号
USD3541798
申请日期
1969.04.18
申请人
HARRY SCHNABEL JR.
发明人
HARRY SCHNABEL JR.
分类号
E02D17/04;E02D17/08;(IPC1-7):E02D5/08
主分类号
E02D17/04
代理机构
代理人
主权项
地址
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