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发明名称
BURYING METHOD OF PIPE
摘要
申请公布号
JPS5551185(A)
申请公布日期
1980.04.14
申请号
JP19780124832
申请日期
1978.10.11
申请人
NIPPON PRESSED CONCRETE KK
发明人
SAJI TOSHIO
分类号
F16L1/024;E02B9/06;E02F5/10;F16L1/038
主分类号
F16L1/024
代理机构
代理人
主权项
地址
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