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经营范围
发明名称
Powder mixing device
摘要
申请公布号
US2047318(A)
申请公布日期
1936.07.14
申请号
US19340758844
申请日期
1934.12.22
申请人
EUGEN ESSLEN
发明人
ESSLEN EUGEN
分类号
A45D33/00
主分类号
A45D33/00
代理机构
代理人
主权项
地址
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