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经营范围
发明名称
VALVE INDICATOR
摘要
申请公布号
CA640286(A)
申请公布日期
1962.04.24
申请号
CAD640286
申请日期
申请人
WALWORTH COMPANY
发明人
JESSE R. BRASEL
分类号
主分类号
代理机构
代理人
主权项
地址
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