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经营范围
发明名称
MECHANICAL SEAL
摘要
申请公布号
JPS53110756(A)
申请公布日期
1978.09.27
申请号
JP19770026364
申请日期
1977.03.10
申请人
WASHIDA AKIRA
发明人
WASHIDA AKIRA
分类号
F16J15/34
主分类号
F16J15/34
代理机构
代理人
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