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发明名称
MINERAL PULVERIZING APPARATUS
摘要
申请公布号
CA383314(A)
申请公布日期
1939.08.08
申请号
CAD383314
申请日期
申请人
ALBERT ROBERT WILSON
发明人
CHARLES WILLIAM YOUNG
分类号
主分类号
代理机构
代理人
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地址
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