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经营范围
发明名称
CLOG FREE SCREENING MECHANISM
摘要
申请公布号
CA651653(A)
申请公布日期
1962.11.06
申请号
CAD651653
申请日期
申请人
CHAIN BELT COMPANY
发明人
PRESTON H. SCHRADER
分类号
主分类号
代理机构
代理人
主权项
地址
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