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发明名称
METHOD OF EXECUTING DOUBLE PIPE
摘要
申请公布号
JPS63259288(A)
申请公布日期
1988.10.26
申请号
JP19870089872
申请日期
1987.04.14
申请人
TOKYU CONSTR CO LTD
发明人
SHIMURA NOBORU;ONO KUNIO;UEDA TAKESHI
分类号
F16L1/00
主分类号
F16L1/00
代理机构
代理人
主权项
地址
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