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发明名称
Rosin for violin bows, etc.
摘要
申请公布号
US2109416(A)
申请公布日期
1938.02.22
申请号
US19370135817
申请日期
1937.04.08
申请人
EMANUEL DZIEMCZYK
发明人
DZIEMCZYK EMANUEL
分类号
C09F1/00
主分类号
C09F1/00
代理机构
代理人
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