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发明名称
ARTIFICIAL NITROGENOUS TEXTILE MATERIALS
摘要
申请公布号
IE15800(L)
申请公布日期
1939.03.18
申请号
IED15800
申请日期
1938.09.19
申请人
SOC. ANON. BREVETTI MARIO PIACENZA
发明人
分类号
(IPC1-7):D01F/00
主分类号
(IPC1-7):D01F/00
代理机构
代理人
主权项
地址
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