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发明名称
PITLESS PUMPER
摘要
申请公布号
CA484985(A)
申请公布日期
1952.07.22
申请号
CAD484985
申请日期
申请人
JAMES E. BUTTERFIELD, JR.;JAMES E. BUTTERFIELD, SR.;HAROLD A. JOHNSEN
发明人
JAMES E. BUTTERFIELD, SR.;JAMES E. BUTTERFIELD, JR.;HAROLD A. JOHNSEN
分类号
主分类号
代理机构
代理人
主权项
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