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发明名称
Oil relay governor
摘要
申请公布号
US1829701(A)
申请公布日期
1931.10.27
申请号
US19280248260
申请日期
1928.01.20
申请人
SAMUEL P. COWARDIN
发明人
COWARDIN HARRY A.
分类号
G05D13/00
主分类号
G05D13/00
代理机构
代理人
主权项
地址
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