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经营范围
发明名称
Improvements in or relating to an apparatus for producing periodic m.m.f. impulses
摘要
申请公布号
GB790948(A)
申请公布日期
1958.02.19
申请号
GB19550032707
申请日期
1955.11.15
申请人
SIEMENS-SCHUCKERTWERKE AKTIENGESELLSCHAFT
发明人
分类号
H02M1/26
主分类号
H02M1/26
代理机构
代理人
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