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发明名称
摘要
申请公布号
JPS4726101(U)
申请公布日期
1972.11.24
申请号
JP19710026141U
申请日期
1971.04.09
申请人
发明人
分类号
F04B49/10;F04B49/02;(IPC1-7):F04B49/02
主分类号
F04B49/10
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