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发明名称
Improvements in or relating to pumps
摘要
申请公布号
GB391757(A)
申请公布日期
1933.05.04
申请号
GB19310021582
申请日期
1931.07.28
申请人
SIEMENS-SCHUCKERTWERKE AKTIENGESELLSCHAFT
发明人
分类号
F04B49/00
主分类号
F04B49/00
代理机构
代理人
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