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发明名称
Tile layer
摘要
A tile layer can be opened to expose its interior for tile loading and unloading. The layer is functional to handle both arched and round tile, and is used in conjunction with a trenching apparatus.
申请公布号
US4537531(A)
申请公布日期
1985.08.27
申请号
US19820387814
申请日期
1982.06.14
申请人
DIEFENTHALER, DAVID L.
发明人
DIEFENTHALER, DAVID L.
分类号
E02F5/10;F16L1/032;(IPC1-7):F16L1/02
主分类号
E02F5/10
代理机构
代理人
主权项
地址
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