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发明名称
ROSIN SIZE
摘要
申请公布号
CA417401(A)
申请公布日期
1943.12.28
申请号
CAD417401
申请日期
申请人
HERCULES POWDER COMPANY
发明人
ARTHUR CHARLES DRESHFIELD
分类号
主分类号
代理机构
代理人
主权项
地址
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