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发明名称
Dust collector
摘要
申请公布号
US1913115(A)
申请公布日期
1933.06.06
申请号
US19310521178
申请日期
1931.03.09
申请人
KRAFT-PHENIX CHEESE CORPORATION
发明人
GUEST WARD E.
分类号
B04C5/103
主分类号
B04C5/103
代理机构
代理人
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