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发明名称
METHOD AND APPARATUS FOR DEVELOPING ELECTROSTATIC IMAGES WITH ELECTROSCOPIC POWDER
摘要
申请公布号
CA479868(A)
申请公布日期
1952.01.01
申请号
CAD479868
申请日期
申请人
THE BATTELLE DEVELOPMENT CORPORATION
发明人
DONALD L. FAUSER;LEWIS E. WALKUP
分类号
主分类号
代理机构
代理人
主权项
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