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经营范围
发明名称
CARBON CONTAINING CONTACT BODY
摘要
申请公布号
JPS5663873(U)
申请公布日期
1981.05.29
申请号
JP19790144995U
申请日期
1979.10.22
申请人
发明人
分类号
F04B39/02;(IPC1-7):F04B39/02
主分类号
F04B39/02
代理机构
代理人
主权项
地址
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