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发明名称
RUNNING DEVICE IN PIPE
摘要
申请公布号
JPH04300769(A)
申请公布日期
1992.10.23
申请号
JP19910065140
申请日期
1991.03.29
申请人
OSAKA GAS CO LTD
发明人
SAKO MITSUSATO;KIKUTA TAKASHI;KAWAGUCHI KEIJI
分类号
B61B13/10;F16L58/00
主分类号
B61B13/10
代理机构
代理人
主权项
地址
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