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发明名称
Improvements in or relating to electric vacuum cleaners
摘要
申请公布号
GB355046(A)
申请公布日期
1931.08.20
申请号
GB19300026375
申请日期
1930.09.04
申请人
VICTOR ALEXANDER MATTICK
发明人
分类号
A47L5/36
主分类号
A47L5/36
代理机构
代理人
主权项
地址
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