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发明名称
SAFETY BRAKE
摘要
申请公布号
CA763271(A)
申请公布日期
1967.07.18
申请号
CAD763271
申请日期
申请人
DRESSER INDUSTRIES
发明人
JOHN DE LIGT
分类号
主分类号
代理机构
代理人
主权项
地址
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