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发明名称
SPARK ARRESTER AND PROTECTOR FOR EXHAUST PIPE
摘要
申请公布号
CA488622(A)
申请公布日期
1952.12.02
申请号
CAD488622
申请日期
申请人
WATERLOO FOUNDRY COMPANY
发明人
CLINE HARRY HARMON
分类号
主分类号
代理机构
代理人
主权项
地址
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