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发明名称
PROJECTION METHOD
摘要
申请公布号
CA315794(A)
申请公布日期
1931.10.06
申请号
CAD315794
申请日期
申请人
ALBERT E. DAVIES
发明人
ALBERT E. DAVIES
分类号
主分类号
代理机构
代理人
主权项
地址
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