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发明名称
STOCK REGULATOR FOR PAPER MAKING MACHINES
摘要
申请公布号
CA296542(A)
申请公布日期
1930.01.14
申请号
CAD296542
申请日期
申请人
CONRAD HECTOR DUPUIS
发明人
CONRAD HECTOR DUPUIS
分类号
主分类号
代理机构
代理人
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