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发明名称
Dispositif indicateur pour matelas.
摘要
申请公布号
BE578320(A1)
申请公布日期
1959.08.17
申请号
BE19590578320
申请日期
1959.04.30
申请人
JONAH JOSEPH BYER
发明人
JONAH JOSEPH BYER
分类号
A47C31/12;(IPC1-7):A47C
主分类号
A47C31/12
代理机构
代理人
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地址
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