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经营范围
发明名称
Intumescent furnace
摘要
申请公布号
US2306462(A)
申请公布日期
1942.12.29
申请号
US19410394199
申请日期
1941.05.19
申请人
MOORMAN HESDEN F
发明人
MOORMAN HESDEN F.
分类号
C04B20/06
主分类号
C04B20/06
代理机构
代理人
主权项
地址
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