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发明名称
FIRE-EXTINGUISHING COMPOSITIONS
摘要
申请公布号
IE10910(L)
申请公布日期
1930.03.22
申请号
IED10910
申请日期
1929.09.20
申请人
DAVID JULIAN BLOCK
发明人
分类号
(IPC1-7):A62D/00
主分类号
(IPC1-7):A62D/00
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