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经营范围
发明名称
Rubbing compound
摘要
申请公布号
US1927872(A)
申请公布日期
1933.09.26
申请号
US19300455144
申请日期
1930.05.23
申请人
PARK CHEMICAL COMPANY
发明人
KRAMER PAUL H.
分类号
C09K3/14
主分类号
C09K3/14
代理机构
代理人
主权项
地址
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