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发明名称
Handle
摘要
申请公布号
US2493764(A)
申请公布日期
1950.01.10
申请号
US19470723500
申请日期
1947.01.22
申请人
THOMAS LAMB
发明人
LAMB THOMAS
分类号
G05G1/10
主分类号
G05G1/10
代理机构
代理人
主权项
地址
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