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发明名称
Method for making heat insulating material
摘要
申请公布号
US2334399(A)
申请公布日期
1943.11.16
申请号
US19420440666
申请日期
1942.04.27
申请人
FETHER DONALD W
发明人
FETHER DONALD W.
分类号
D02G3/36
主分类号
D02G3/36
代理机构
代理人
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