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发明名称
UNDERGROUND PIPING METHOD FOR SERVICE WATER OR GAS ETC*
摘要
<p>PURPOSE:The piping itself is given flexibility in order to cope with the large change of ground.</p>
申请公布号
JPS5238636(A)
申请公布日期
1977.03.25
申请号
JP19750114303
申请日期
1975.09.23
申请人
NITSUSEI KIGIYOU KK
发明人
ITOU MASARU;ITOU TAKASHI
分类号
F16L1/024;F17D1/00
主分类号
F16L1/024
代理机构
代理人
主权项
地址
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