发明名称 |
Placer screen |
摘要 |
|
申请公布号 |
US2312409(A) |
申请公布日期 |
1943.03.02 |
申请号 |
US19410424167 |
申请日期 |
1941.12.23 |
申请人 |
HARRIS ALONZO V |
发明人 |
HARRIS ALONZO V. |
分类号 |
B07B1/46 |
主分类号 |
B07B1/46 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
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