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经营范围
发明名称
Gravel washer
摘要
申请公布号
US2119414(A)
申请公布日期
1938.05.31
申请号
US19370134174
申请日期
1937.03.31
申请人
BLANCHARD ALMOND G
发明人
BLANCHARD ALMOND G.
分类号
B03B5/56
主分类号
B03B5/56
代理机构
代理人
主权项
地址
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