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发明名称
LIQUID LEAKAGE PREVENTING METHOD
摘要
申请公布号
JPH04181096(A)
申请公布日期
1992.06.29
申请号
JP19900308129
申请日期
1990.11.13
申请人
OSAKA GAS CO LTD
发明人
NAKAMURA RYUICHI;DOI KATSUMI;KATO KATSUTOSHI
分类号
F16L55/16
主分类号
F16L55/16
代理机构
代理人
主权项
地址
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