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发明名称
摘要
申请公布号
JPS481899(U)
申请公布日期
1973.01.11
申请号
JP19710041708U
申请日期
1971.05.21
申请人
发明人
分类号
G08B7/00;A62C13/78;G08B13/10;(IPC1-7):A62C23/04
主分类号
G08B7/00
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