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发明名称
Electric speed governor
摘要
申请公布号
US1755313(A)
申请公布日期
1930.04.22
申请号
US19270171184
申请日期
1927.02.26
申请人
BUTLER WILLIAM E
发明人
BUTLER WILLIAM E.
分类号
B61L3/00
主分类号
B61L3/00
代理机构
代理人
主权项
地址
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