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发明名称
摘要
申请公布号
FR2021160(A1)
申请公布日期
1970.07.17
申请号
FR19690035991
申请日期
1969.10.21
申请人
PLESSEY CY LTD
发明人
分类号
F23Q3/00;(IPC1-7):F23Q5/00;F24C3/00
主分类号
F23Q3/00
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代理人
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