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发明名称
AIR CLEANING METHOD
摘要
申请公布号
CA346784(A)
申请公布日期
1934.12.18
申请号
CAD346784
申请日期
申请人
WILBUR ROUNDING FRANKS
发明人
WILBUR ROUNDING FRANKS
分类号
主分类号
代理机构
代理人
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