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经营范围
发明名称
METHOD OF DETECTING LEAK FROM LIQUID TRANSPORTATION PIPELINE
摘要
申请公布号
JPS56160499(A)
申请公布日期
1981.12.10
申请号
JP19800063316
申请日期
1980.05.15
申请人
NIPPON KOKAN KK
发明人
KOYANAGI YASUO;SUGAYA SHIGERU;NAKAYAMA KOUJI;SATOU TATSUO
分类号
F17D5/02;G01M3/28
主分类号
F17D5/02
代理机构
代理人
主权项
地址
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