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发明名称
PIPE FOR PIPE ROOF
摘要
申请公布号
JPH11131969(A)
申请公布日期
1999.05.18
申请号
JP19970311212
申请日期
1997.10.27
申请人
OKUMURA CORP
发明人
OTSU YOSHIO;UCHIYAMA YUUHACHIROU
分类号
E21D9/04;(IPC1-7):E21D9/04
主分类号
E21D9/04
代理机构
代理人
主权项
地址
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