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发明名称
VACUUM CLEANER NOZZLE
摘要
申请公布号
CA779543(A)
申请公布日期
1968.03.05
申请号
CAD779543
申请日期
申请人
WESTINGHOUSE ELECTRIC CORPORATION
发明人
CHARLES T. FROMKNECHT
分类号
主分类号
代理机构
代理人
主权项
地址
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