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发明名称
Bed switch
摘要
申请公布号
US2425790(A)
申请公布日期
1947.08.19
申请号
US19460640822
申请日期
1946.01.12
申请人
FLETCHER ROLAND A
发明人
FLETCHER ROLAND A.
分类号
H01H35/12
主分类号
H01H35/12
代理机构
代理人
主权项
地址
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