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发明名称
SYNTHETIC RESIN FOR OPTICAL BODIES
摘要
申请公布号
CA412875(A)
申请公布日期
1943.06.01
申请号
CAD412875
申请日期
申请人
CANADIAN INDUSTRIES LIMITED;E.I. DU PONT DE NEMOURS AND COMPANY;NORTON COMPANY
发明人
CARL E. BARNES
分类号
主分类号
代理机构
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