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发明名称
Moistureproof material
摘要
申请公布号
US2300168(A)
申请公布日期
1942.10.27
申请号
US19390294481
申请日期
1939.09.12
申请人
HERCULES POWDER COMPANY
发明人
OLSEN ARLOE R.
分类号
C08J7/04
主分类号
C08J7/04
代理机构
代理人
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