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发明名称
Delay powder
摘要
申请公布号
US1805214(A)
申请公布日期
1931.05.12
申请号
US19250000462
申请日期
1925.01.03
申请人
HALE GEORGE C
发明人
HALE GEORGE C.
分类号
C06C5/06
主分类号
C06C5/06
代理机构
代理人
主权项
地址
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