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发明名称
MILL WITH PNEUMATIC SIFTERS
摘要
申请公布号
CA313154(A)
申请公布日期
1931.07.14
申请号
CAD313154
申请日期
申请人
EMIL BARTHELMESS
发明人
EMIL BARTHELMESS
分类号
主分类号
代理机构
代理人
主权项
地址
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