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经营范围
发明名称
LABYRINTH PACKING
摘要
申请公布号
JPS5422049(A)
申请公布日期
1979.02.19
申请号
JP19770087656
申请日期
1977.07.21
申请人
SUMITOMO ELECTRIC INDUSTRIES
发明人
NISHIMOTO MITSUO
分类号
F16J15/453;F16J15/44
主分类号
F16J15/453
代理机构
代理人
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地址
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