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经营范围
发明名称
SEALING DEVICE
摘要
申请公布号
JPS56150669(A)
申请公布日期
1981.11.21
申请号
JP19800055052
申请日期
1980.04.25
申请人
KOMATSU MFG CO LTD;SEIBU POLYMER KASEI KK
发明人
AOKI HIDEKAZU;FUKADA MASAO;MASAKA KOUSEI
分类号
F16J15/32;E21D9/06;F16J15/12;F16J15/18
主分类号
F16J15/32
代理机构
代理人
主权项
地址
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