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发明名称
Water repellent abrasive
摘要
申请公布号
US1900430(A)
申请公布日期
1933.03.07
申请号
US19280306292
申请日期
1928.09.15
申请人
BAKELITE CORPORATION
发明人
DANIELS RUPERT S.
分类号
B24D3/32;B24D3/34
主分类号
B24D3/32
代理机构
代理人
主权项
地址
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