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发明名称
VACUUM CLEANER
摘要
申请公布号
CA342530(A)
申请公布日期
1934.06.26
申请号
CAD342530
申请日期
申请人
WILLIAM CHARLES CLARK;WILLIAM THOMAS CLARK
发明人
WILLIAM CHARLES CLARK;WILLIAM THOMAS CLARK
分类号
主分类号
代理机构
代理人
主权项
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