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发明名称
Vacuum cleaner
摘要
申请公布号
US1902561(A)
申请公布日期
1933.03.21
申请号
US19320643966
申请日期
1932.11.23
申请人
SIEMENS-SCHUCKERTWERKE AKTIENGESELLSCHAFT
发明人
KUHNEL CARL;KORITTKE KARL
分类号
A47L9/02
主分类号
A47L9/02
代理机构
代理人
主权项
地址
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