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发明名称
摘要
申请公布号
JP2544816(Y2)
申请公布日期
1997.08.20
申请号
JP19910056846U
申请日期
1991.07.22
申请人
发明人
分类号
B63H21/38;F01M11/00;F01M11/04;F01M11/06;(IPC1-7):F01M11/00
主分类号
B63H21/38
代理机构
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