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发明名称
PIPING METHOD FOR TWO-LAYER HEAT INSULATING DUPLEX PIPE
摘要
申请公布号
JPH03255298(A)
申请公布日期
1991.11.14
申请号
JP19900049574
申请日期
1990.03.02
申请人
KUBOTA CORP
发明人
ENOKI KOJI;HAMADA SHIGENOBU
分类号
F16L59/04;F16L59/147
主分类号
F16L59/04
代理机构
代理人
主权项
地址
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