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发明名称
PIPE HYDLAULIC PLUG
摘要
申请公布号
JPS55129720(A)
申请公布日期
1980.10.07
申请号
JP19790037921
申请日期
1979.03.30
申请人
NIPPON RITSUKU UIRU KK
发明人
KASAI YOUICHI;UEDA MASAHISA
分类号
G01N3/12;F16L55/10;G01M3/02;G01M3/26
主分类号
G01N3/12
代理机构
代理人
主权项
地址
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