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发明名称
Valve-actuating mechanism
摘要
申请公布号
US1748342(A)
申请公布日期
1930.02.25
申请号
US19280296793
申请日期
1928.08.01
申请人
THE GRANTALVE REGULATOR CO., INCORPORATED
发明人
GRANT ROBERT
分类号
G05D23/00
主分类号
G05D23/00
代理机构
代理人
主权项
地址
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