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发明名称
Safety mine car scotch
摘要
申请公布号
US2038141(A)
申请公布日期
1936.04.21
申请号
US19350004701
申请日期
1935.02.02
申请人
WALTER STONE GEORGE
发明人
STONE GEORGE WALTER
分类号
B61K7/20
主分类号
B61K7/20
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