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发明名称
INSTALLATION OF STRETCHING FLEXIBLE PIPE CONDUIT UNDERGROUND
摘要
申请公布号
JPS5771997(A)
申请公布日期
1982.05.06
申请号
JP19800147484
申请日期
1980.10.21
申请人
NIHON SHIIRUDO ENGINEERING KK;KUMAGAIGUMI:KK
发明人
TANAKA SATOSHI;IMAIZUMI SHICHIROU;HATA MASAKI
分类号
E21D11/04;E21D11/00
主分类号
E21D11/04
代理机构
代理人
主权项
地址
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