发明名称 |
COMMUNICATION CABLE WIRING STRUCTURE OF SUBTERRANEAN DUCT, AND GUIDE PIPE USED FOR THE SAME |
摘要 |
<p><P>PROBLEM TO BE SOLVED: To enable stable and reliable communication by enabling an ideal communication infrastructure to be built. <P>SOLUTION: A trunk communication cable 11 is passed within a main pipe 2 provided with a manhole 4 and a branch pipe 3. Within the manhole 4, a part of the trunk communication cable 11 is separated as a branch communication cable 12, and the branch communication cable 12 is wired to a connection object from the branch pipe 3. <P>COPYRIGHT: (C)2004,JPO</p> |
申请公布号 |
JP2003299235(A) |
申请公布日期 |
2003.10.17 |
申请号 |
JP20020100799 |
申请日期 |
2002.04.03 |
申请人 |
SANKI ENG CO LTD;ASHIMORI IND CO LTD;ASHIMORI ENGINEERING CO LTD |
发明人 |
TSUCHIYA FUMIAKI;YAGI ISABURO;ASO KOJI |
分类号 |
E03F3/04;F16L9/12;F16L9/19;G02B6/46;H02G1/06;H02G9/06;(IPC1-7):H02G9/06 |
主分类号 |
E03F3/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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