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经营范围
发明名称
PIPING PIPE GROUP STRUCTURE
摘要
申请公布号
JPS6213885(A)
申请公布日期
1987.01.22
申请号
JP19850150261
申请日期
1985.07.10
申请人
HITACHI LTD
发明人
YOSHIDA YOSHIO;TANABE MASAHIKO;KATO RYOICHI
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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