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经营范围
发明名称
CHECK DRAFT DAMPER
摘要
申请公布号
CA363082(A)
申请公布日期
1936.12.29
申请号
CAD363082
申请日期
申请人
CLARENCE B. ROGERS
发明人
CLARENCE B. ROGERS
分类号
主分类号
代理机构
代理人
主权项
地址
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