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经营范围
发明名称
SEALING DEVICE FOR SHAFT
摘要
申请公布号
JPH0480498(A)
申请公布日期
1992.03.13
申请号
JP19900193143
申请日期
1990.07.23
申请人
ISHIKAWAJIMA HARIMA HEAVY IND CO LTD
发明人
OTSUKA RYUSABURO;FUJII SHIGEO
分类号
E21D9/06
主分类号
E21D9/06
代理机构
代理人
主权项
地址
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