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经营范围
发明名称
PACKING TYPE PIPE JOINT
摘要
申请公布号
JPH02163588(A)
申请公布日期
1990.06.22
申请号
JP19880315514
申请日期
1988.12.14
申请人
HITACHI METALS LTD
发明人
SAKA YOSHIMI;MIZUTANI SHIGERU
分类号
F16L15/04
主分类号
F16L15/04
代理机构
代理人
主权项
地址
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