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经营范围
发明名称
Mulling apparatus
摘要
申请公布号
US2463556(A)
申请公布日期
1949.03.08
申请号
US19450602760
申请日期
1945.07.02
申请人
PETTIBONE MULLIKEN CORPORATION
发明人
PIPER WALTER F.
分类号
B02C7/00;B02C15/02;B22C5/04
主分类号
B02C7/00
代理机构
代理人
主权项
地址
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