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发明名称
BLOCK PRINTING METHOD AND APPARATUS
摘要
申请公布号
CA419835(A)
申请公布日期
1944.04.25
申请号
CAD419835
申请日期
申请人
DAVID EVANS AND COMPANY LIMITED
发明人
BERNARD WYKES
分类号
主分类号
代理机构
代理人
主权项
地址
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