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发明名称
Powder mixing device
摘要
申请公布号
US2047317(A)
申请公布日期
1936.07.14
申请号
US19340756499
申请日期
1934.12.07
申请人
EUGEN ESSLEN
发明人
ESSLEN EUGEN
分类号
B01F7/00;B01F15/00
主分类号
B01F7/00
代理机构
代理人
主权项
地址
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