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摘要
申请公布号
US2647635(A)
申请公布日期
1953.08.04
申请号
US19480050774
申请日期
1948.09.23
申请人
HOVE SPARK-O-LINER CORPORATION
发明人
HOVE LELAND H.;HANKES ELMER J.;PERRY MANLY M.
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