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发明名称
JOINT FOR HYDROTRANSPORTATION
摘要
申请公布号
JPS566983(A)
申请公布日期
1981.01.24
申请号
JP19790081140
申请日期
1979.06.26
申请人
KOYO SEIKO CO
发明人
OKUDA HIROJI
分类号
F16L27/04;F16L27/06
主分类号
F16L27/04
代理机构
代理人
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地址
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